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Finding the Fourth Proportional to 375,823.84, 517,941.48 and 266,933.10

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Solution

The fourth proportional to 375,823.84, 517,941.48 and 266,933.10 is: 367,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,823.84 : 517,941.48 = 266,933.10 : x
  2. Step 2: Convert to fraction form
    375,823.84/517,941.48 = 266,933.10/x
  3. Step 3: Cross multiply
    375,823.84x = 517,941.48 × 266,933.10
  4. Step 4: Simplify right side
    375,823.84x = 138,255,724,874.99
  5. Step 5: Solve for x
    x = 138,255,724,874.99/375,823.84
  6. Step 6: Final answer
    x = 367,873.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.