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Finding the Fourth Proportional to 439,999.98, 607,113.27 and 267,871.74

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Solution

The fourth proportional to 439,999.98, 607,113.27 and 267,871.74 is: 369,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,999.98 : 607,113.27 = 267,871.74 : x
  2. Step 2: Convert to fraction form
    439,999.98/607,113.27 = 267,871.74/x
  3. Step 3: Cross multiply
    439,999.98x = 607,113.27 × 267,871.74
  4. Step 4: Simplify right side
    439,999.98x = 162,628,488,011.99
  5. Step 5: Solve for x
    x = 162,628,488,011.99/439,999.98
  6. Step 6: Final answer
    x = 369,610.22

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1.5x scale

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.