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Finding the Fourth Proportional to 632,368.68, 948,553.02 and 253,461.16

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Solution

The fourth proportional to 632,368.68, 948,553.02 and 253,461.16 is: 380,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,368.68 : 948,553.02 = 253,461.16 : x
  2. Step 2: Convert to fraction form
    632,368.68/948,553.02 = 253,461.16/x
  3. Step 3: Cross multiply
    632,368.68x = 948,553.02 × 253,461.16
  4. Step 4: Simplify right side
    632,368.68x = 240,421,348,770.70
  5. Step 5: Solve for x
    x = 240,421,348,770.70/632,368.68
  6. Step 6: Final answer
    x = 380,191.74

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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.