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Finding the Fourth Proportional to 572,951.68, 855,221.84 and 530,728

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Solution

The fourth proportional to 572,951.68, 855,221.84 and 530,728 is: 792,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,951.68 : 855,221.84 = 530,728 : x
  2. Step 2: Convert to fraction form
    572,951.68/855,221.84 = 530,728/x
  3. Step 3: Cross multiply
    572,951.68x = 855,221.84 × 530,728
  4. Step 4: Simplify right side
    572,951.68x = 453,890,176,699.52
  5. Step 5: Solve for x
    x = 453,890,176,699.52/572,951.68
  6. Step 6: Final answer
    x = 792,196.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.