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Finding the Fourth Proportional to 523,063.98, 784,595.98 and 149,077.26

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Solution

The fourth proportional to 523,063.98, 784,595.98 and 149,077.26 is: 223,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,063.98 : 784,595.98 = 149,077.26 : x
  2. Step 2: Convert to fraction form
    523,063.98/784,595.98 = 149,077.26/x
  3. Step 3: Cross multiply
    523,063.98x = 784,595.98 × 149,077.26
  4. Step 4: Simplify right side
    523,063.98x = 116,965,418,905.42
  5. Step 5: Solve for x
    x = 116,965,418,905.42/523,063.98
  6. Step 6: Final answer
    x = 223,615.89

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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.