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Finding the Fourth Proportional to 338,484, 467,107.92 and 187,590.72

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Solution

The fourth proportional to 338,484, 467,107.92 and 187,590.72 is: 258,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,484 : 467,107.92 = 187,590.72 : x
  2. Step 2: Convert to fraction form
    338,484/467,107.92 = 187,590.72/x
  3. Step 3: Cross multiply
    338,484x = 467,107.92 × 187,590.72
  4. Step 4: Simplify right side
    338,484x = 87,625,111,030.50
  5. Step 5: Solve for x
    x = 87,625,111,030.50/338,484
  6. Step 6: Final answer
    x = 258,875.19

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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.