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Finding the Fourth Proportional to 532,340.10, 798,510.15 and 511,344.90

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Solution

The fourth proportional to 532,340.10, 798,510.15 and 511,344.90 is: 767,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,340.10 : 798,510.15 = 511,344.90 : x
  2. Step 2: Convert to fraction form
    532,340.10/798,510.15 = 511,344.90/x
  3. Step 3: Cross multiply
    532,340.10x = 798,510.15 × 511,344.90
  4. Step 4: Simplify right side
    532,340.10x = 408,314,092,800.74
  5. Step 5: Solve for x
    x = 408,314,092,800.74/532,340.10
  6. Step 6: Final answer
    x = 767,017.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.