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Finding the Fourth Proportional to 371,705.54, 557,510.57 and 118,964.89

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Solution

The fourth proportional to 371,705.54, 557,510.57 and 118,964.89 is: 178,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,705.54 : 557,510.57 = 118,964.89 : x
  2. Step 2: Convert to fraction form
    371,705.54/557,510.57 = 118,964.89/x
  3. Step 3: Cross multiply
    371,705.54x = 557,510.57 × 118,964.89
  4. Step 4: Simplify right side
    371,705.54x = 66,324,181,645.29
  5. Step 5: Solve for x
    x = 66,324,181,645.29/371,705.54
  6. Step 6: Final answer
    x = 178,432.05

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1.5x scale

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.