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Finding the Fourth Proportional to 703,246.86, 970,476.66 and 380,963.16

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Solution

The fourth proportional to 703,246.86, 970,476.66 and 380,963.16 is: 525,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,246.86 : 970,476.66 = 380,963.16 : x
  2. Step 2: Convert to fraction form
    703,246.86/970,476.66 = 380,963.16/x
  3. Step 3: Cross multiply
    703,246.86x = 970,476.66 × 380,963.16
  4. Step 4: Simplify right side
    703,246.86x = 369,715,855,099.85
  5. Step 5: Solve for x
    x = 369,715,855,099.85/703,246.86
  6. Step 6: Final answer
    x = 525,726.99

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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.