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Finding the Fourth Proportional to 474,013.60, 711,117.60 and 158,696.80

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Solution

The fourth proportional to 474,013.60, 711,117.60 and 158,696.80 is: 238,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,013.60 : 711,117.60 = 158,696.80 : x
  2. Step 2: Convert to fraction form
    474,013.60/711,117.60 = 158,696.80/x
  3. Step 3: Cross multiply
    474,013.60x = 711,117.60 × 158,696.80
  4. Step 4: Simplify right side
    474,013.60x = 112,852,087,543.68
  5. Step 5: Solve for x
    x = 112,852,087,543.68/474,013.60
  6. Step 6: Final answer
    x = 238,077.74

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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.