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Finding the Fourth Proportional to 530,724.34, 732,392.34 and 301,279.62

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Solution

The fourth proportional to 530,724.34, 732,392.34 and 301,279.62 is: 415,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,724.34 : 732,392.34 = 301,279.62 : x
  2. Step 2: Convert to fraction form
    530,724.34/732,392.34 = 301,279.62/x
  3. Step 3: Cross multiply
    530,724.34x = 732,392.34 × 301,279.62
  4. Step 4: Simplify right side
    530,724.34x = 220,654,885,886.11
  5. Step 5: Solve for x
    x = 220,654,885,886.11/530,724.34
  6. Step 6: Final answer
    x = 415,761.76

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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.