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Finding the Fourth Proportional to 873,360.31, 1,310,028.17 and 274,357.42

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Solution

The fourth proportional to 873,360.31, 1,310,028.17 and 274,357.42 is: 411,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,360.31 : 1,310,028.17 = 274,357.42 : x
  2. Step 2: Convert to fraction form
    873,360.31/1,310,028.17 = 274,357.42/x
  3. Step 3: Cross multiply
    873,360.31x = 1,310,028.17 × 274,357.42
  4. Step 4: Simplify right side
    873,360.31x = 359,415,948,848.52
  5. Step 5: Solve for x
    x = 359,415,948,848.52/873,360.31
  6. Step 6: Final answer
    x = 411,532.27

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1.5x scale

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.