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Finding the Fourth Proportional to 527,527.71, 790,390.03 and 376,998.93

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Solution

The fourth proportional to 527,527.71, 790,390.03 and 376,998.93 is: 564,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,527.71 : 790,390.03 = 376,998.93 : x
  2. Step 2: Convert to fraction form
    527,527.71/790,390.03 = 376,998.93/x
  3. Step 3: Cross multiply
    527,527.71x = 790,390.03 × 376,998.93
  4. Step 4: Simplify right side
    527,527.71x = 297,976,195,592.67
  5. Step 5: Solve for x
    x = 297,976,195,592.67/527,527.71
  6. Step 6: Final answer
    x = 564,854.11

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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.