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Finding the Fourth Proportional to 475,731.54, 712,197.60 and 317,567.70

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Solution

The fourth proportional to 475,731.54, 712,197.60 and 317,567.70 is: 475,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,731.54 : 712,197.60 = 317,567.70 : x
  2. Step 2: Convert to fraction form
    475,731.54/712,197.60 = 317,567.70/x
  3. Step 3: Cross multiply
    475,731.54x = 712,197.60 × 317,567.70
  4. Step 4: Simplify right side
    475,731.54x = 226,170,953,777.52
  5. Step 5: Solve for x
    x = 226,170,953,777.52/475,731.54
  6. Step 6: Final answer
    x = 475,417.19

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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.