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Finding the Fourth Proportional to 343,326.92, 514,989.66 and 106,671.56

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Solution

The fourth proportional to 343,326.92, 514,989.66 and 106,671.56 is: 160,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,326.92 : 514,989.66 = 106,671.56 : x
  2. Step 2: Convert to fraction form
    343,326.92/514,989.66 = 106,671.56/x
  3. Step 3: Cross multiply
    343,326.92x = 514,989.66 × 106,671.56
  4. Step 4: Simplify right side
    343,326.92x = 54,934,750,416.07
  5. Step 5: Solve for x
    x = 54,934,750,416.07/343,326.92
  6. Step 6: Final answer
    x = 160,007.12

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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.