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Finding the Fourth Proportional to 546,920.80, 820,381.20 and 501,301.60

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Solution

The fourth proportional to 546,920.80, 820,381.20 and 501,301.60 is: 751,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,920.80 : 820,381.20 = 501,301.60 : x
  2. Step 2: Convert to fraction form
    546,920.80/820,381.20 = 501,301.60/x
  3. Step 3: Cross multiply
    546,920.80x = 820,381.20 × 501,301.60
  4. Step 4: Simplify right side
    546,920.80x = 411,258,408,169.92
  5. Step 5: Solve for x
    x = 411,258,408,169.92/546,920.80
  6. Step 6: Final answer
    x = 751,952.40

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Similar ratio
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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.