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Finding the Fourth Proportional to 530,868.20, 732,758.20 and 361,200.74

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Solution

The fourth proportional to 530,868.20, 732,758.20 and 361,200.74 is: 498,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,868.20 : 732,758.20 = 361,200.74 : x
  2. Step 2: Convert to fraction form
    530,868.20/732,758.20 = 361,200.74/x
  3. Step 3: Cross multiply
    530,868.20x = 732,758.20 × 361,200.74
  4. Step 4: Simplify right side
    530,868.20x = 264,672,799,514.28
  5. Step 5: Solve for x
    x = 264,672,799,514.28/530,868.20
  6. Step 6: Final answer
    x = 498,565.94

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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.