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Finding the Fourth Proportional to 501,965.80, 752,948.70 and 169,541.80

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Solution

The fourth proportional to 501,965.80, 752,948.70 and 169,541.80 is: 254,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,965.80 : 752,948.70 = 169,541.80 : x
  2. Step 2: Convert to fraction form
    501,965.80/752,948.70 = 169,541.80/x
  3. Step 3: Cross multiply
    501,965.80x = 752,948.70 × 169,541.80
  4. Step 4: Simplify right side
    501,965.80x = 127,656,277,905.66
  5. Step 5: Solve for x
    x = 127,656,277,905.66/501,965.80
  6. Step 6: Final answer
    x = 254,312.70

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Similar ratio
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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.