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Finding the Fourth Proportional to 533,562.20, 736,379.34 and 307,251.80

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Solution

The fourth proportional to 533,562.20, 736,379.34 and 307,251.80 is: 424,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,562.20 : 736,379.34 = 307,251.80 : x
  2. Step 2: Convert to fraction form
    533,562.20/736,379.34 = 307,251.80/x
  3. Step 3: Cross multiply
    533,562.20x = 736,379.34 × 307,251.80
  4. Step 4: Simplify right side
    533,562.20x = 226,253,877,697.81
  5. Step 5: Solve for x
    x = 226,253,877,697.81/533,562.20
  6. Step 6: Final answer
    x = 424,044.05

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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.