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Finding the Fourth Proportional to 703,259.92, 970,494.54 and 380,976.16

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Solution

The fourth proportional to 703,259.92, 970,494.54 and 380,976.16 is: 525,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,259.92 : 970,494.54 = 380,976.16 : x
  2. Step 2: Convert to fraction form
    703,259.92/970,494.54 = 380,976.16/x
  3. Step 3: Cross multiply
    703,259.92x = 970,494.54 × 380,976.16
  4. Step 4: Simplify right side
    703,259.92x = 369,735,283,150.17
  5. Step 5: Solve for x
    x = 369,735,283,150.17/703,259.92
  6. Step 6: Final answer
    x = 525,744.85

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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.