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Finding the Fourth Proportional to 501,386.24, 752,081.92 and 168,965.12

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Solution

The fourth proportional to 501,386.24, 752,081.92 and 168,965.12 is: 253,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,386.24 : 752,081.92 = 168,965.12 : x
  2. Step 2: Convert to fraction form
    501,386.24/752,081.92 = 168,965.12/x
  3. Step 3: Cross multiply
    501,386.24x = 752,081.92 × 168,965.12
  4. Step 4: Simplify right side
    501,386.24x = 127,075,611,862.63
  5. Step 5: Solve for x
    x = 127,075,611,862.63/501,386.24
  6. Step 6: Final answer
    x = 253,448.54

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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.