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Finding the Fourth Proportional to 472,785.30, 709,177.95 and 367,031.70

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Solution

The fourth proportional to 472,785.30, 709,177.95 and 367,031.70 is: 550,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,785.30 : 709,177.95 = 367,031.70 : x
  2. Step 2: Convert to fraction form
    472,785.30/709,177.95 = 367,031.70/x
  3. Step 3: Cross multiply
    472,785.30x = 709,177.95 × 367,031.70
  4. Step 4: Simplify right side
    472,785.30x = 260,290,788,591.02
  5. Step 5: Solve for x
    x = 260,290,788,591.02/472,785.30
  6. Step 6: Final answer
    x = 550,547.55

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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.