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Finding the Fourth Proportional to 317,865.60, 476,798.40 and 96,249.60

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Solution

The fourth proportional to 317,865.60, 476,798.40 and 96,249.60 is: 144,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,865.60 : 476,798.40 = 96,249.60 : x
  2. Step 2: Convert to fraction form
    317,865.60/476,798.40 = 96,249.60/x
  3. Step 3: Cross multiply
    317,865.60x = 476,798.40 × 96,249.60
  4. Step 4: Simplify right side
    317,865.60x = 45,891,655,280.64
  5. Step 5: Solve for x
    x = 45,891,655,280.64/317,865.60
  6. Step 6: Final answer
    x = 144,374.40

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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.