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Finding the Fourth Proportional to 616,498.40, 924,747.60 and 492,082.40

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Solution

The fourth proportional to 616,498.40, 924,747.60 and 492,082.40 is: 738,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,498.40 : 924,747.60 = 492,082.40 : x
  2. Step 2: Convert to fraction form
    616,498.40/924,747.60 = 492,082.40/x
  3. Step 3: Cross multiply
    616,498.40x = 924,747.60 × 492,082.40
  4. Step 4: Simplify right side
    616,498.40x = 455,052,018,402.24
  5. Step 5: Solve for x
    x = 455,052,018,402.24/616,498.40
  6. Step 6: Final answer
    x = 738,123.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.