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Finding the Fourth Proportional to 375,911.40, 563,959.44 and 109,674.66

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Solution

The fourth proportional to 375,911.40, 563,959.44 and 109,674.66 is: 164,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,911.40 : 563,959.44 = 109,674.66 : x
  2. Step 2: Convert to fraction form
    375,911.40/563,959.44 = 109,674.66/x
  3. Step 3: Cross multiply
    375,911.40x = 563,959.44 × 109,674.66
  4. Step 4: Simplify right side
    375,911.40x = 61,852,059,835.79
  5. Step 5: Solve for x
    x = 61,852,059,835.79/375,911.40
  6. Step 6: Final answer
    x = 164,538.93

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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.