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Finding the Fourth Proportional to 372,955.68, 514,688.85 and 203,200.74

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Solution

The fourth proportional to 372,955.68, 514,688.85 and 203,200.74 is: 280,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,955.68 : 514,688.85 = 203,200.74 : x
  2. Step 2: Convert to fraction form
    372,955.68/514,688.85 = 203,200.74/x
  3. Step 3: Cross multiply
    372,955.68x = 514,688.85 × 203,200.74
  4. Step 4: Simplify right side
    372,955.68x = 104,585,155,189.75
  5. Step 5: Solve for x
    x = 104,585,155,189.75/372,955.68
  6. Step 6: Final answer
    x = 280,422.48

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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.