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Finding the Fourth Proportional to 341,473.20, 512,209.80 and 164,326.20

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Solution

The fourth proportional to 341,473.20, 512,209.80 and 164,326.20 is: 246,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,473.20 : 512,209.80 = 164,326.20 : x
  2. Step 2: Convert to fraction form
    341,473.20/512,209.80 = 164,326.20/x
  3. Step 3: Cross multiply
    341,473.20x = 512,209.80 × 164,326.20
  4. Step 4: Simplify right side
    341,473.20x = 84,169,490,036.76
  5. Step 5: Solve for x
    x = 84,169,490,036.76/341,473.20
  6. Step 6: Final answer
    x = 246,489.30

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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.