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Finding the Fourth Proportional to 502,304, 693,179.80 and 275,964.08

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Solution

The fourth proportional to 502,304, 693,179.80 and 275,964.08 is: 380,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,304 : 693,179.80 = 275,964.08 : x
  2. Step 2: Convert to fraction form
    502,304/693,179.80 = 275,964.08/x
  3. Step 3: Cross multiply
    502,304x = 693,179.80 × 275,964.08
  4. Step 4: Simplify right side
    502,304x = 191,292,725,781.58
  5. Step 5: Solve for x
    x = 191,292,725,781.58/502,304
  6. Step 6: Final answer
    x = 380,830.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.