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Finding the Fourth Proportional to 426,047.92, 587,948.03 and 235,066.93

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Solution

The fourth proportional to 426,047.92, 587,948.03 and 235,066.93 is: 324,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,047.92 : 587,948.03 = 235,066.93 : x
  2. Step 2: Convert to fraction form
    426,047.92/587,948.03 = 235,066.93/x
  3. Step 3: Cross multiply
    426,047.92x = 587,948.03 × 235,066.93
  4. Step 4: Simplify right side
    426,047.92x = 138,207,138,411.65
  5. Step 5: Solve for x
    x = 138,207,138,411.65/426,047.92
  6. Step 6: Final answer
    x = 324,393.41

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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.