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Finding the Fourth Proportional to 424,707.80, 586,081.86 and 233,716.28

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Solution

The fourth proportional to 424,707.80, 586,081.86 and 233,716.28 is: 322,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,707.80 : 586,081.86 = 233,716.28 : x
  2. Step 2: Convert to fraction form
    424,707.80/586,081.86 = 233,716.28/x
  3. Step 3: Cross multiply
    424,707.80x = 586,081.86 × 233,716.28
  4. Step 4: Simplify right side
    424,707.80x = 136,976,872,094.68
  5. Step 5: Solve for x
    x = 136,976,872,094.68/424,707.80
  6. Step 6: Final answer
    x = 322,520.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.