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Finding the Fourth Proportional to 355,034.10, 532,551.15 and 275,718.90

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Solution

The fourth proportional to 355,034.10, 532,551.15 and 275,718.90 is: 413,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,034.10 : 532,551.15 = 275,718.90 : x
  2. Step 2: Convert to fraction form
    355,034.10/532,551.15 = 275,718.90/x
  3. Step 3: Cross multiply
    355,034.10x = 532,551.15 × 275,718.90
  4. Step 4: Simplify right side
    355,034.10x = 146,834,417,271.74
  5. Step 5: Solve for x
    x = 146,834,417,271.74/355,034.10
  6. Step 6: Final answer
    x = 413,578.35

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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.