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Finding the Fourth Proportional to 585,516.80, 878,275.51 and 164,792.68

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Solution

The fourth proportional to 585,516.80, 878,275.51 and 164,792.68 is: 247,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,516.80 : 878,275.51 = 164,792.68 : x
  2. Step 2: Convert to fraction form
    585,516.80/878,275.51 = 164,792.68/x
  3. Step 3: Cross multiply
    585,516.80x = 878,275.51 × 164,792.68
  4. Step 4: Simplify right side
    585,516.80x = 144,733,372,463.60
  5. Step 5: Solve for x
    x = 144,733,372,463.60/585,516.80
  6. Step 6: Final answer
    x = 247,189.10

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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.