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Finding the Fourth Proportional to 404,714.60, 607,071.90 and 124,195.40

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Solution

The fourth proportional to 404,714.60, 607,071.90 and 124,195.40 is: 186,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,714.60 : 607,071.90 = 124,195.40 : x
  2. Step 2: Convert to fraction form
    404,714.60/607,071.90 = 124,195.40/x
  3. Step 3: Cross multiply
    404,714.60x = 607,071.90 × 124,195.40
  4. Step 4: Simplify right side
    404,714.60x = 75,395,537,449.26
  5. Step 5: Solve for x
    x = 75,395,537,449.26/404,714.60
  6. Step 6: Final answer
    x = 186,293.10

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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.