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Finding the Fourth Proportional to 376,689.44, 565,111.92 and 110,458.40

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Solution

The fourth proportional to 376,689.44, 565,111.92 and 110,458.40 is: 165,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,689.44 : 565,111.92 = 110,458.40 : x
  2. Step 2: Convert to fraction form
    376,689.44/565,111.92 = 110,458.40/x
  3. Step 3: Cross multiply
    376,689.44x = 565,111.92 × 110,458.40
  4. Step 4: Simplify right side
    376,689.44x = 62,421,358,504.13
  5. Step 5: Solve for x
    x = 62,421,358,504.13/376,689.44
  6. Step 6: Final answer
    x = 165,710.40

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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.