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Finding the Fourth Proportional to 423,010.38, 633,268.98 and 370,522.38

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Solution

The fourth proportional to 423,010.38, 633,268.98 and 370,522.38 is: 554,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,010.38 : 633,268.98 = 370,522.38 : x
  2. Step 2: Convert to fraction form
    423,010.38/633,268.98 = 370,522.38/x
  3. Step 3: Cross multiply
    423,010.38x = 633,268.98 × 370,522.38
  4. Step 4: Simplify right side
    423,010.38x = 234,640,329,649.77
  5. Step 5: Solve for x
    x = 234,640,329,649.77/423,010.38
  6. Step 6: Final answer
    x = 554,691.66

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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.