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Finding the Fourth Proportional to 703,062.42, 970,225.83 and 380,772.53

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Solution

The fourth proportional to 703,062.42, 970,225.83 and 380,772.53 is: 525,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,062.42 : 970,225.83 = 380,772.53 : x
  2. Step 2: Convert to fraction form
    703,062.42/970,225.83 = 380,772.53/x
  3. Step 3: Cross multiply
    703,062.42x = 970,225.83 × 380,772.53
  4. Step 4: Simplify right side
    703,062.42x = 369,435,342,747.67
  5. Step 5: Solve for x
    x = 369,435,342,747.67/703,062.42
  6. Step 6: Final answer
    x = 525,465.92

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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.