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Finding the Fourth Proportional to 592,002.60, 888,003.90 and 411,599.40

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Solution

The fourth proportional to 592,002.60, 888,003.90 and 411,599.40 is: 617,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,002.60 : 888,003.90 = 411,599.40 : x
  2. Step 2: Convert to fraction form
    592,002.60/888,003.90 = 411,599.40/x
  3. Step 3: Cross multiply
    592,002.60x = 888,003.90 × 411,599.40
  4. Step 4: Simplify right side
    592,002.60x = 365,501,872,437.66
  5. Step 5: Solve for x
    x = 365,501,872,437.66/592,002.60
  6. Step 6: Final answer
    x = 617,399.10

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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.