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Finding the Fourth Proportional to 503,123.60, 754,685.40 and 236,795.60

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Solution

The fourth proportional to 503,123.60, 754,685.40 and 236,795.60 is: 355,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,123.60 : 754,685.40 = 236,795.60 : x
  2. Step 2: Convert to fraction form
    503,123.60/754,685.40 = 236,795.60/x
  3. Step 3: Cross multiply
    503,123.60x = 754,685.40 × 236,795.60
  4. Step 4: Simplify right side
    503,123.60x = 178,706,182,104.24
  5. Step 5: Solve for x
    x = 178,706,182,104.24/503,123.60
  6. Step 6: Final answer
    x = 355,193.40

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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.