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Finding the Fourth Proportional to 523,529.20, 785,293.80 and 149,552.20

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Solution

The fourth proportional to 523,529.20, 785,293.80 and 149,552.20 is: 224,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,529.20 : 785,293.80 = 149,552.20 : x
  2. Step 2: Convert to fraction form
    523,529.20/785,293.80 = 149,552.20/x
  3. Step 3: Cross multiply
    523,529.20x = 785,293.80 × 149,552.20
  4. Step 4: Simplify right side
    523,529.20x = 117,442,415,436.36
  5. Step 5: Solve for x
    x = 117,442,415,436.36/523,529.20
  6. Step 6: Final answer
    x = 224,328.30

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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.