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Finding the Fourth Proportional to 348,544.30, 522,805.65 and 99,226.30

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Solution

The fourth proportional to 348,544.30, 522,805.65 and 99,226.30 is: 148,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,544.30 : 522,805.65 = 99,226.30 : x
  2. Step 2: Convert to fraction form
    348,544.30/522,805.65 = 99,226.30/x
  3. Step 3: Cross multiply
    348,544.30x = 522,805.65 × 99,226.30
  4. Step 4: Simplify right side
    348,544.30x = 51,876,070,268.60
  5. Step 5: Solve for x
    x = 51,876,070,268.60/348,544.30
  6. Step 6: Final answer
    x = 148,836.38

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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.