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Finding the Fourth Proportional to 623,207.70, 934,811.55 and 202,526.10

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Solution

The fourth proportional to 623,207.70, 934,811.55 and 202,526.10 is: 303,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,207.70 : 934,811.55 = 202,526.10 : x
  2. Step 2: Convert to fraction form
    623,207.70/934,811.55 = 202,526.10/x
  3. Step 3: Cross multiply
    623,207.70x = 934,811.55 × 202,526.10
  4. Step 4: Simplify right side
    623,207.70x = 189,323,737,456.46
  5. Step 5: Solve for x
    x = 189,323,737,456.46/623,207.70
  6. Step 6: Final answer
    x = 303,789.15

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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.