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Finding the Fourth Proportional to 343,114.56, 514,573.44 and 118,416.72

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Solution

The fourth proportional to 343,114.56, 514,573.44 and 118,416.72 is: 177,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,114.56 : 514,573.44 = 118,416.72 : x
  2. Step 2: Convert to fraction form
    343,114.56/514,573.44 = 118,416.72/x
  3. Step 3: Cross multiply
    343,114.56x = 514,573.44 × 118,416.72
  4. Step 4: Simplify right side
    343,114.56x = 60,934,098,963.92
  5. Step 5: Solve for x
    x = 60,934,098,963.92/343,114.56
  6. Step 6: Final answer
    x = 177,591.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.