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Finding the Fourth Proportional to 371,315.52, 556,972.56 and 134,657.52

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Solution

The fourth proportional to 371,315.52, 556,972.56 and 134,657.52 is: 201,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,315.52 : 556,972.56 = 134,657.52 : x
  2. Step 2: Convert to fraction form
    371,315.52/556,972.56 = 134,657.52/x
  3. Step 3: Cross multiply
    371,315.52x = 556,972.56 × 134,657.52
  4. Step 4: Simplify right side
    371,315.52x = 75,000,543,637.65
  5. Step 5: Solve for x
    x = 75,000,543,637.65/371,315.52
  6. Step 6: Final answer
    x = 201,986.02

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Similar ratio
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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.