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Finding the Fourth Proportional to 532,130.60, 798,195.90 and 511,135.40

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Solution

The fourth proportional to 532,130.60, 798,195.90 and 511,135.40 is: 766,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,130.60 : 798,195.90 = 511,135.40 : x
  2. Step 2: Convert to fraction form
    532,130.60/798,195.90 = 511,135.40/x
  3. Step 3: Cross multiply
    532,130.60x = 798,195.90 × 511,135.40
  4. Step 4: Simplify right side
    532,130.60x = 407,986,180,624.86
  5. Step 5: Solve for x
    x = 407,986,180,624.86/532,130.60
  6. Step 6: Final answer
    x = 766,703.10

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Similar ratio
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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.