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Finding the Fourth Proportional to 404,686.23, 606,886.84 and 134,741.06

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Solution

The fourth proportional to 404,686.23, 606,886.84 and 134,741.06 is: 202,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,686.23 : 606,886.84 = 134,741.06 : x
  2. Step 2: Convert to fraction form
    404,686.23/606,886.84 = 134,741.06/x
  3. Step 3: Cross multiply
    404,686.23x = 606,886.84 × 134,741.06
  4. Step 4: Simplify right side
    404,686.23x = 81,772,575,447.95
  5. Step 5: Solve for x
    x = 81,772,575,447.95/404,686.23
  6. Step 6: Final answer
    x = 202,064.14

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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.