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Finding the Fourth Proportional to 527,248.65, 790,340.37 and 207,624.81

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Solution

The fourth proportional to 527,248.65, 790,340.37 and 207,624.81 is: 311,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,248.65 : 790,340.37 = 207,624.81 : x
  2. Step 2: Convert to fraction form
    527,248.65/790,340.37 = 207,624.81/x
  3. Step 3: Cross multiply
    527,248.65x = 790,340.37 × 207,624.81
  4. Step 4: Simplify right side
    527,248.65x = 164,094,269,156.58
  5. Step 5: Solve for x
    x = 164,094,269,156.58/527,248.65
  6. Step 6: Final answer
    x = 311,227.48

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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.