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Finding the Fourth Proportional to 413,200.80, 619,801.20 and 363,337.20

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Solution

The fourth proportional to 413,200.80, 619,801.20 and 363,337.20 is: 545,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,200.80 : 619,801.20 = 363,337.20 : x
  2. Step 2: Convert to fraction form
    413,200.80/619,801.20 = 363,337.20/x
  3. Step 3: Cross multiply
    413,200.80x = 619,801.20 × 363,337.20
  4. Step 4: Simplify right side
    413,200.80x = 225,196,832,564.64
  5. Step 5: Solve for x
    x = 225,196,832,564.64/413,200.80
  6. Step 6: Final answer
    x = 545,005.80

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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.