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Finding the Fourth Proportional to 564,044.64, 845,646.18 and 339,352.43

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Solution

The fourth proportional to 564,044.64, 845,646.18 and 339,352.43 is: 508,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,044.64 : 845,646.18 = 339,352.43 : x
  2. Step 2: Convert to fraction form
    564,044.64/845,646.18 = 339,352.43/x
  3. Step 3: Cross multiply
    564,044.64x = 845,646.18 × 339,352.43
  4. Step 4: Simplify right side
    564,044.64x = 286,972,081,874.99
  5. Step 5: Solve for x
    x = 286,972,081,874.99/564,044.64
  6. Step 6: Final answer
    x = 508,775.48

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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.