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Finding the Fourth Proportional to 348,490.08, 522,425.43 and 123,820.92

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Solution

The fourth proportional to 348,490.08, 522,425.43 and 123,820.92 is: 185,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,490.08 : 522,425.43 = 123,820.92 : x
  2. Step 2: Convert to fraction form
    348,490.08/522,425.43 = 123,820.92/x
  3. Step 3: Cross multiply
    348,490.08x = 522,425.43 × 123,820.92
  4. Step 4: Simplify right side
    348,490.08x = 64,687,197,374.00
  5. Step 5: Solve for x
    x = 64,687,197,374.00/348,490.08
  6. Step 6: Final answer
    x = 185,621.35

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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.