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Finding the Fourth Proportional to 636,247.20, 953,670.96 and 262,066.08

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Solution

The fourth proportional to 636,247.20, 953,670.96 and 262,066.08 is: 392,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,247.20 : 953,670.96 = 262,066.08 : x
  2. Step 2: Convert to fraction form
    636,247.20/953,670.96 = 262,066.08/x
  3. Step 3: Cross multiply
    636,247.20x = 953,670.96 × 262,066.08
  4. Step 4: Simplify right side
    636,247.20x = 249,924,810,097.04
  5. Step 5: Solve for x
    x = 249,924,810,097.04/636,247.20
  6. Step 6: Final answer
    x = 392,810.86

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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.