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Finding the Fourth Proportional to 496,232.60, 744,348.90 and 286,280.60

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Solution

The fourth proportional to 496,232.60, 744,348.90 and 286,280.60 is: 429,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,232.60 : 744,348.90 = 286,280.60 : x
  2. Step 2: Convert to fraction form
    496,232.60/744,348.90 = 286,280.60/x
  3. Step 3: Cross multiply
    496,232.60x = 744,348.90 × 286,280.60
  4. Step 4: Simplify right side
    496,232.60x = 213,092,649,701.34
  5. Step 5: Solve for x
    x = 213,092,649,701.34/496,232.60
  6. Step 6: Final answer
    x = 429,420.90

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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.