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Finding the Fourth Proportional to 592,143.60, 888,215.40 and 411,740.40

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Solution

The fourth proportional to 592,143.60, 888,215.40 and 411,740.40 is: 617,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,143.60 : 888,215.40 = 411,740.40 : x
  2. Step 2: Convert to fraction form
    592,143.60/888,215.40 = 411,740.40/x
  3. Step 3: Cross multiply
    592,143.60x = 888,215.40 × 411,740.40
  4. Step 4: Simplify right side
    592,143.60x = 365,714,164,082.16
  5. Step 5: Solve for x
    x = 365,714,164,082.16/592,143.60
  6. Step 6: Final answer
    x = 617,610.60

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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.