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Finding the Fourth Proportional to 533,553.76, 736,285.55 and 304,184.91

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Solution

The fourth proportional to 533,553.76, 736,285.55 and 304,184.91 is: 419,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,553.76 : 736,285.55 = 304,184.91 : x
  2. Step 2: Convert to fraction form
    533,553.76/736,285.55 = 304,184.91/x
  3. Step 3: Cross multiply
    533,553.76x = 736,285.55 × 304,184.91
  4. Step 4: Simplify right side
    533,553.76x = 223,966,955,001.20
  5. Step 5: Solve for x
    x = 223,966,955,001.20/533,553.76
  6. Step 6: Final answer
    x = 419,764.55

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1.5x scale

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.