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Finding the Fourth Proportional to 418,862.85, 623,556.84 and 416,371.74

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Solution

The fourth proportional to 418,862.85, 623,556.84 and 416,371.74 is: 619,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,862.85 : 623,556.84 = 416,371.74 : x
  2. Step 2: Convert to fraction form
    418,862.85/623,556.84 = 416,371.74/x
  3. Step 3: Cross multiply
    418,862.85x = 623,556.84 × 416,371.74
  4. Step 4: Simplify right side
    418,862.85x = 259,631,446,459.70
  5. Step 5: Solve for x
    x = 259,631,446,459.70/418,862.85
  6. Step 6: Final answer
    x = 619,848.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.