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Finding the Fourth Proportional to 493,268.80, 739,903.20 and 282,733.60

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Solution

The fourth proportional to 493,268.80, 739,903.20 and 282,733.60 is: 424,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,268.80 : 739,903.20 = 282,733.60 : x
  2. Step 2: Convert to fraction form
    493,268.80/739,903.20 = 282,733.60/x
  3. Step 3: Cross multiply
    493,268.80x = 739,903.20 × 282,733.60
  4. Step 4: Simplify right side
    493,268.80x = 209,195,495,387.52
  5. Step 5: Solve for x
    x = 209,195,495,387.52/493,268.80
  6. Step 6: Final answer
    x = 424,100.40

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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.