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Finding the Fourth Proportional to 317,017.13, 475,587.86 and 117,339.21

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Solution

The fourth proportional to 317,017.13, 475,587.86 and 117,339.21 is: 176,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,017.13 : 475,587.86 = 117,339.21 : x
  2. Step 2: Convert to fraction form
    317,017.13/475,587.86 = 117,339.21/x
  3. Step 3: Cross multiply
    317,017.13x = 475,587.86 × 117,339.21
  4. Step 4: Simplify right side
    317,017.13x = 55,805,103,191.29
  5. Step 5: Solve for x
    x = 55,805,103,191.29/317,017.13
  6. Step 6: Final answer
    x = 176,031.83

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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.