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Finding the Fourth Proportional to 592,143.40, 888,215.10 and 277,215.40

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Solution

The fourth proportional to 592,143.40, 888,215.10 and 277,215.40 is: 415,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,143.40 : 888,215.10 = 277,215.40 : x
  2. Step 2: Convert to fraction form
    592,143.40/888,215.10 = 277,215.40/x
  3. Step 3: Cross multiply
    592,143.40x = 888,215.10 × 277,215.40
  4. Step 4: Simplify right side
    592,143.40x = 246,226,904,232.54
  5. Step 5: Solve for x
    x = 246,226,904,232.54/592,143.40
  6. Step 6: Final answer
    x = 415,823.10

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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.