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Finding the Fourth Proportional to 301,347.38, 415,831.88 and 178,818.64

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Solution

The fourth proportional to 301,347.38, 415,831.88 and 178,818.64 is: 246,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,347.38 : 415,831.88 = 178,818.64 : x
  2. Step 2: Convert to fraction form
    301,347.38/415,831.88 = 178,818.64/x
  3. Step 3: Cross multiply
    301,347.38x = 415,831.88 × 178,818.64
  4. Step 4: Simplify right side
    301,347.38x = 74,358,491,250.24
  5. Step 5: Solve for x
    x = 74,358,491,250.24/301,347.38
  6. Step 6: Final answer
    x = 246,753.40

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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.