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Finding the Fourth Proportional to 674,711.38, 931,798.92 and 583,630.12

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Solution

The fourth proportional to 674,711.38, 931,798.92 and 583,630.12 is: 806,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,711.38 : 931,798.92 = 583,630.12 : x
  2. Step 2: Convert to fraction form
    674,711.38/931,798.92 = 583,630.12/x
  3. Step 3: Cross multiply
    674,711.38x = 931,798.92 × 583,630.12
  4. Step 4: Simplify right side
    674,711.38x = 543,825,915,495.47
  5. Step 5: Solve for x
    x = 543,825,915,495.47/674,711.38
  6. Step 6: Final answer
    x = 806,012.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.