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Finding the Fourth Proportional to 703,339.41, 970,613.04 and 381,049.51

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Solution

The fourth proportional to 703,339.41, 970,613.04 and 381,049.51 is: 525,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,339.41 : 970,613.04 = 381,049.51 : x
  2. Step 2: Convert to fraction form
    703,339.41/970,613.04 = 381,049.51/x
  3. Step 3: Cross multiply
    703,339.41x = 970,613.04 × 381,049.51
  4. Step 4: Simplify right side
    703,339.41x = 369,851,621,823.89
  5. Step 5: Solve for x
    x = 369,851,621,823.89/703,339.41
  6. Step 6: Final answer
    x = 525,850.84

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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.