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Finding the Fourth Proportional to 474,120.65, 711,032.55 and 158,503.75

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Solution

The fourth proportional to 474,120.65, 711,032.55 and 158,503.75 is: 237,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,120.65 : 711,032.55 = 158,503.75 : x
  2. Step 2: Convert to fraction form
    474,120.65/711,032.55 = 158,503.75/x
  3. Step 3: Cross multiply
    474,120.65x = 711,032.55 × 158,503.75
  4. Step 4: Simplify right side
    474,120.65x = 112,701,323,175.09
  5. Step 5: Solve for x
    x = 112,701,323,175.09/474,120.65
  6. Step 6: Final answer
    x = 237,706.00

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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.