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Finding the Fourth Proportional to 334,744.20, 502,116.30 and 113,128.20

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Solution

The fourth proportional to 334,744.20, 502,116.30 and 113,128.20 is: 169,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,744.20 : 502,116.30 = 113,128.20 : x
  2. Step 2: Convert to fraction form
    334,744.20/502,116.30 = 113,128.20/x
  3. Step 3: Cross multiply
    334,744.20x = 502,116.30 × 113,128.20
  4. Step 4: Simplify right side
    334,744.20x = 56,803,513,209.66
  5. Step 5: Solve for x
    x = 56,803,513,209.66/334,744.20
  6. Step 6: Final answer
    x = 169,692.30

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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.