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Finding the Fourth Proportional to 313,287.04, 469,781.52 and 113,569.12

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Solution

The fourth proportional to 313,287.04, 469,781.52 and 113,569.12 is: 170,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,287.04 : 469,781.52 = 113,569.12 : x
  2. Step 2: Convert to fraction form
    313,287.04/469,781.52 = 113,569.12/x
  3. Step 3: Cross multiply
    313,287.04x = 469,781.52 × 113,569.12
  4. Step 4: Simplify right side
    313,287.04x = 53,352,673,818.66
  5. Step 5: Solve for x
    x = 53,352,673,818.66/313,287.04
  6. Step 6: Final answer
    x = 170,299.65

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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.