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Finding the Fourth Proportional to 527,422.92, 791,134.40 and 350,275.92

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Solution

The fourth proportional to 527,422.92, 791,134.40 and 350,275.92 is: 525,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,422.92 : 791,134.40 = 350,275.92 : x
  2. Step 2: Convert to fraction form
    527,422.92/791,134.40 = 350,275.92/x
  3. Step 3: Cross multiply
    527,422.92x = 791,134.40 × 350,275.92
  4. Step 4: Simplify right side
    527,422.92x = 277,115,329,803.65
  5. Step 5: Solve for x
    x = 277,115,329,803.65/527,422.92
  6. Step 6: Final answer
    x = 525,413.89

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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.