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Finding the Fourth Proportional to 582,088.32, 873,132.71 and 261,866.16

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Solution

The fourth proportional to 582,088.32, 873,132.71 and 261,866.16 is: 392,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,088.32 : 873,132.71 = 261,866.16 : x
  2. Step 2: Convert to fraction form
    582,088.32/873,132.71 = 261,866.16/x
  3. Step 3: Cross multiply
    582,088.32x = 873,132.71 × 261,866.16
  4. Step 4: Simplify right side
    582,088.32x = 228,643,909,938.09
  5. Step 5: Solve for x
    x = 228,643,909,938.09/582,088.32
  6. Step 6: Final answer
    x = 392,799.34

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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.