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Finding the Fourth Proportional to 527,228.67, 790,864.88 and 153,251.67

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Solution

The fourth proportional to 527,228.67, 790,864.88 and 153,251.67 is: 229,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,228.67 : 790,864.88 = 153,251.67 : x
  2. Step 2: Convert to fraction form
    527,228.67/790,864.88 = 153,251.67/x
  3. Step 3: Cross multiply
    527,228.67x = 790,864.88 × 153,251.67
  4. Step 4: Simplify right side
    527,228.67x = 121,201,362,838.09
  5. Step 5: Solve for x
    x = 121,201,362,838.09/527,228.67
  6. Step 6: Final answer
    x = 229,883.86

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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.