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Finding the Fourth Proportional to 375,506.57, 563,254.68 and 91,199.30

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Solution

The fourth proportional to 375,506.57, 563,254.68 and 91,199.30 is: 136,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,506.57 : 563,254.68 = 91,199.30 : x
  2. Step 2: Convert to fraction form
    375,506.57/563,254.68 = 91,199.30/x
  3. Step 3: Cross multiply
    375,506.57x = 563,254.68 × 91,199.30
  4. Step 4: Simplify right side
    375,506.57x = 51,368,429,721.45
  5. Step 5: Solve for x
    x = 51,368,429,721.45/375,506.57
  6. Step 6: Final answer
    x = 136,797.69

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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.