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Finding the Fourth Proportional to 703,532.16, 970,870.59 and 381,233.97

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Solution

The fourth proportional to 703,532.16, 970,870.59 and 381,233.97 is: 526,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,532.16 : 970,870.59 = 381,233.97 : x
  2. Step 2: Convert to fraction form
    703,532.16/970,870.59 = 381,233.97/x
  3. Step 3: Cross multiply
    703,532.16x = 970,870.59 × 381,233.97
  4. Step 4: Simplify right side
    703,532.16x = 370,128,849,381.94
  5. Step 5: Solve for x
    x = 370,128,849,381.94/703,532.16
  6. Step 6: Final answer
    x = 526,100.82

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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.