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Finding the Fourth Proportional to 527,382.50, 790,754.81 and 207,151.02

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Solution

The fourth proportional to 527,382.50, 790,754.81 and 207,151.02 is: 310,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,382.50 : 790,754.81 = 207,151.02 : x
  2. Step 2: Convert to fraction form
    527,382.50/790,754.81 = 207,151.02/x
  3. Step 3: Cross multiply
    527,382.50x = 790,754.81 × 207,151.02
  4. Step 4: Simplify right side
    527,382.50x = 163,805,664,425.65
  5. Step 5: Solve for x
    x = 163,805,664,425.65/527,382.50
  6. Step 6: Final answer
    x = 310,601.25

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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.