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Finding the Fourth Proportional to 592,002.10, 888,003.15 and 578,005.30

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Solution

The fourth proportional to 592,002.10, 888,003.15 and 578,005.30 is: 867,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,002.10 : 888,003.15 = 578,005.30 : x
  2. Step 2: Convert to fraction form
    592,002.10/888,003.15 = 578,005.30/x
  3. Step 3: Cross multiply
    592,002.10x = 888,003.15 × 578,005.30
  4. Step 4: Simplify right side
    592,002.10x = 513,270,527,116.70
  5. Step 5: Solve for x
    x = 513,270,527,116.70/592,002.10
  6. Step 6: Final answer
    x = 867,007.95

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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.