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Finding the Fourth Proportional to 530,425.71, 732,003.34 and 326,594.24

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Solution

The fourth proportional to 530,425.71, 732,003.34 and 326,594.24 is: 450,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,425.71 : 732,003.34 = 326,594.24 : x
  2. Step 2: Convert to fraction form
    530,425.71/732,003.34 = 326,594.24/x
  3. Step 3: Cross multiply
    530,425.71x = 732,003.34 × 326,594.24
  4. Step 4: Simplify right side
    530,425.71x = 239,068,074,504.76
  5. Step 5: Solve for x
    x = 239,068,074,504.76/530,425.71
  6. Step 6: Final answer
    x = 450,709.82

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Double scale
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Similar ratio
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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.