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Finding the Fourth Proportional to 663,357.64, 915,564.18 and 462,037

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Solution

The fourth proportional to 663,357.64, 915,564.18 and 462,037 is: 637,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,357.64 : 915,564.18 = 462,037 : x
  2. Step 2: Convert to fraction form
    663,357.64/915,564.18 = 462,037/x
  3. Step 3: Cross multiply
    663,357.64x = 915,564.18 × 462,037
  4. Step 4: Simplify right side
    663,357.64x = 423,024,527,034.66
  5. Step 5: Solve for x
    x = 423,024,527,034.66/663,357.64
  6. Step 6: Final answer
    x = 637,702.05

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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.