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Finding the Fourth Proportional to 424,188.12, 585,379.98 and 233,204.76

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Solution

The fourth proportional to 424,188.12, 585,379.98 and 233,204.76 is: 321,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,188.12 : 585,379.98 = 233,204.76 : x
  2. Step 2: Convert to fraction form
    424,188.12/585,379.98 = 233,204.76/x
  3. Step 3: Cross multiply
    424,188.12x = 585,379.98 × 233,204.76
  4. Step 4: Simplify right side
    424,188.12x = 136,513,397,744.71
  5. Step 5: Solve for x
    x = 136,513,397,744.71/424,188.12
  6. Step 6: Final answer
    x = 321,822.77

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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.