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Finding the Fourth Proportional to 315,595.38, 435,233.16 and 246,693.96

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Solution

The fourth proportional to 315,595.38, 435,233.16 and 246,693.96 is: 340,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,595.38 : 435,233.16 = 246,693.96 : x
  2. Step 2: Convert to fraction form
    315,595.38/435,233.16 = 246,693.96/x
  3. Step 3: Cross multiply
    315,595.38x = 435,233.16 × 246,693.96
  4. Step 4: Simplify right side
    315,595.38x = 107,369,391,763.71
  5. Step 5: Solve for x
    x = 107,369,391,763.71/315,595.38
  6. Step 6: Final answer
    x = 340,212.18

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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.