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Finding the Fourth Proportional to 338,897.16, 508,034.67 and 117,125.64

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Solution

The fourth proportional to 338,897.16, 508,034.67 and 117,125.64 is: 175,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,897.16 : 508,034.67 = 117,125.64 : x
  2. Step 2: Convert to fraction form
    338,897.16/508,034.67 = 117,125.64/x
  3. Step 3: Cross multiply
    338,897.16x = 508,034.67 × 117,125.64
  4. Step 4: Simplify right side
    338,897.16x = 59,503,885,865.94
  5. Step 5: Solve for x
    x = 59,503,885,865.94/338,897.16
  6. Step 6: Final answer
    x = 175,580.95

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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.