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Finding the Fourth Proportional to 523,255.05, 784,882.58 and 372,680.10

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Solution

The fourth proportional to 523,255.05, 784,882.58 and 372,680.10 is: 559,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,255.05 : 784,882.58 = 372,680.10 : x
  2. Step 2: Convert to fraction form
    523,255.05/784,882.58 = 372,680.10/x
  3. Step 3: Cross multiply
    523,255.05x = 784,882.58 × 372,680.10
  4. Step 4: Simplify right side
    523,255.05x = 292,510,116,539.26
  5. Step 5: Solve for x
    x = 292,510,116,539.26/523,255.05
  6. Step 6: Final answer
    x = 559,020.15

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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.