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Finding the Fourth Proportional to 404,214.32, 557,855.18 and 302,062.40

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Solution

The fourth proportional to 404,214.32, 557,855.18 and 302,062.40 is: 416,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,214.32 : 557,855.18 = 302,062.40 : x
  2. Step 2: Convert to fraction form
    404,214.32/557,855.18 = 302,062.40/x
  3. Step 3: Cross multiply
    404,214.32x = 557,855.18 × 302,062.40
  4. Step 4: Simplify right side
    404,214.32x = 168,507,074,523.23
  5. Step 5: Solve for x
    x = 168,507,074,523.23/404,214.32
  6. Step 6: Final answer
    x = 416,875.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.