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Finding the Fourth Proportional to 564,043.96, 845,645.14 and 339,351.74

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Solution

The fourth proportional to 564,043.96, 845,645.14 and 339,351.74 is: 508,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,043.96 : 845,645.14 = 339,351.74 : x
  2. Step 2: Convert to fraction form
    564,043.96/845,645.14 = 339,351.74/x
  3. Step 3: Cross multiply
    564,043.96x = 845,645.14 × 339,351.74
  4. Step 4: Simplify right side
    564,043.96x = 286,971,149,681.54
  5. Step 5: Solve for x
    x = 286,971,149,681.54/564,043.96
  6. Step 6: Final answer
    x = 508,774.44

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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.