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Finding the Fourth Proportional to 564,562.50, 779,245.58 and 349,580.40

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Solution

The fourth proportional to 564,562.50, 779,245.58 and 349,580.40 is: 482,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,562.50 : 779,245.58 = 349,580.40 : x
  2. Step 2: Convert to fraction form
    564,562.50/779,245.58 = 349,580.40/x
  3. Step 3: Cross multiply
    564,562.50x = 779,245.58 × 349,580.40
  4. Step 4: Simplify right side
    564,562.50x = 272,408,981,554.63
  5. Step 5: Solve for x
    x = 272,408,981,554.63/564,562.50
  6. Step 6: Final answer
    x = 482,513.42

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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.