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Finding the Fourth Proportional to 375,515.80, 563,089.38 and 185,756.92

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Solution

The fourth proportional to 375,515.80, 563,089.38 and 185,756.92 is: 278,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,515.80 : 563,089.38 = 185,756.92 : x
  2. Step 2: Convert to fraction form
    375,515.80/563,089.38 = 185,756.92/x
  3. Step 3: Cross multiply
    375,515.80x = 563,089.38 × 185,756.92
  4. Step 4: Simplify right side
    375,515.80x = 104,597,748,913.51
  5. Step 5: Solve for x
    x = 104,597,748,913.51/375,515.80
  6. Step 6: Final answer
    x = 278,544.20

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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.