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Finding the Fourth Proportional to 703,425.18, 970,947.47 and 448,776.17

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Solution

The fourth proportional to 703,425.18, 970,947.47 and 448,776.17 is: 619,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,425.18 : 970,947.47 = 448,776.17 : x
  2. Step 2: Convert to fraction form
    703,425.18/970,947.47 = 448,776.17/x
  3. Step 3: Cross multiply
    703,425.18x = 970,947.47 × 448,776.17
  4. Step 4: Simplify right side
    703,425.18x = 435,738,086,857.79
  5. Step 5: Solve for x
    x = 435,738,086,857.79/703,425.18
  6. Step 6: Final answer
    x = 619,451.93

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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.