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Finding the Fourth Proportional to 498,360.04, 687,826.02 and 297,169

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Solution

The fourth proportional to 498,360.04, 687,826.02 and 297,169 is: 410,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,360.04 : 687,826.02 = 297,169 : x
  2. Step 2: Convert to fraction form
    498,360.04/687,826.02 = 297,169/x
  3. Step 3: Cross multiply
    498,360.04x = 687,826.02 × 297,169
  4. Step 4: Simplify right side
    498,360.04x = 204,400,570,537.38
  5. Step 5: Solve for x
    x = 204,400,570,537.38/498,360.04
  6. Step 6: Final answer
    x = 410,146.39

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Why These Related Problems?

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