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Finding the Fourth Proportional to 460,326.50, 690,046.88 and 235,792.68

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Solution

The fourth proportional to 460,326.50, 690,046.88 and 235,792.68 is: 353,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,326.50 : 690,046.88 = 235,792.68 : x
  2. Step 2: Convert to fraction form
    460,326.50/690,046.88 = 235,792.68/x
  3. Step 3: Cross multiply
    460,326.50x = 690,046.88 × 235,792.68
  4. Step 4: Simplify right side
    460,326.50x = 162,708,003,160.84
  5. Step 5: Solve for x
    x = 162,708,003,160.84/460,326.50
  6. Step 6: Final answer
    x = 353,462.17

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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.