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Finding the Fourth Proportional to 534,307.92, 801,503.52 and 155,234.80

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Solution

The fourth proportional to 534,307.92, 801,503.52 and 155,234.80 is: 232,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,307.92 : 801,503.52 = 155,234.80 : x
  2. Step 2: Convert to fraction form
    534,307.92/801,503.52 = 155,234.80/x
  3. Step 3: Cross multiply
    534,307.92x = 801,503.52 × 155,234.80
  4. Step 4: Simplify right side
    534,307.92x = 124,421,238,626.50
  5. Step 5: Solve for x
    x = 124,421,238,626.50/534,307.92
  6. Step 6: Final answer
    x = 232,864.30

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1.5x scale

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.