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Finding the Fourth Proportional to 341,490.15, 512,145.98 and 101,539.43

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Solution

The fourth proportional to 341,490.15, 512,145.98 and 101,539.43 is: 152,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,490.15 : 512,145.98 = 101,539.43 : x
  2. Step 2: Convert to fraction form
    341,490.15/512,145.98 = 101,539.43/x
  3. Step 3: Cross multiply
    341,490.15x = 512,145.98 × 101,539.43
  4. Step 4: Simplify right side
    341,490.15x = 52,003,011,658.66
  5. Step 5: Solve for x
    x = 52,003,011,658.66/341,490.15
  6. Step 6: Final answer
    x = 152,282.61

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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.