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Finding the Fourth Proportional to 375,781.60, 563,038.44 and 185,988.88

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Solution

The fourth proportional to 375,781.60, 563,038.44 and 185,988.88 is: 278,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,781.60 : 563,038.44 = 185,988.88 : x
  2. Step 2: Convert to fraction form
    375,781.60/563,038.44 = 185,988.88/x
  3. Step 3: Cross multiply
    375,781.60x = 563,038.44 × 185,988.88
  4. Step 4: Simplify right side
    375,781.60x = 104,718,888,852.55
  5. Step 5: Solve for x
    x = 104,718,888,852.55/375,781.60
  6. Step 6: Final answer
    x = 278,669.55

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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.