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Finding the Fourth Proportional to 359,308.11, 537,841.12 and 264,645.18

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Solution

The fourth proportional to 359,308.11, 537,841.12 and 264,645.18 is: 396,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,308.11 : 537,841.12 = 264,645.18 : x
  2. Step 2: Convert to fraction form
    359,308.11/537,841.12 = 264,645.18/x
  3. Step 3: Cross multiply
    359,308.11x = 537,841.12 × 264,645.18
  4. Step 4: Simplify right side
    359,308.11x = 142,337,059,848.40
  5. Step 5: Solve for x
    x = 142,337,059,848.40/359,308.11
  6. Step 6: Final answer
    x = 396,142.08

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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.