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Finding the Fourth Proportional to 530,976.39, 732,752.43 and 301,538.43

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Solution

The fourth proportional to 530,976.39, 732,752.43 and 301,538.43 is: 416,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,976.39 : 732,752.43 = 301,538.43 : x
  2. Step 2: Convert to fraction form
    530,976.39/732,752.43 = 301,538.43/x
  3. Step 3: Cross multiply
    530,976.39x = 732,752.43 × 301,538.43
  4. Step 4: Simplify right side
    530,976.39x = 220,953,017,320.89
  5. Step 5: Solve for x
    x = 220,953,017,320.89/530,976.39
  6. Step 6: Final answer
    x = 416,125.88

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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.