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Finding the Fourth Proportional to 317,264.28, 475,871.19 and 127,590.93

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Solution

The fourth proportional to 317,264.28, 475,871.19 and 127,590.93 is: 191,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,264.28 : 475,871.19 = 127,590.93 : x
  2. Step 2: Convert to fraction form
    317,264.28/475,871.19 = 127,590.93/x
  3. Step 3: Cross multiply
    317,264.28x = 475,871.19 × 127,590.93
  4. Step 4: Simplify right side
    317,264.28x = 60,716,847,213.84
  5. Step 5: Solve for x
    x = 60,716,847,213.84/317,264.28
  6. Step 6: Final answer
    x = 191,376.25

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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.