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Finding the Fourth Proportional to 625,218.72, 862,802.32 and 367,045.12

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Solution

The fourth proportional to 625,218.72, 862,802.32 and 367,045.12 is: 506,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,218.72 : 862,802.32 = 367,045.12 : x
  2. Step 2: Convert to fraction form
    625,218.72/862,802.32 = 367,045.12/x
  3. Step 3: Cross multiply
    625,218.72x = 862,802.32 × 367,045.12
  4. Step 4: Simplify right side
    625,218.72x = 316,687,381,080.68
  5. Step 5: Solve for x
    x = 316,687,381,080.68/625,218.72
  6. Step 6: Final answer
    x = 506,522.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.