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Finding the Fourth Proportional to 440,549.28, 660,561.48 and 174,347.64

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Solution

The fourth proportional to 440,549.28, 660,561.48 and 174,347.64 is: 261,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,549.28 : 660,561.48 = 174,347.64 : x
  2. Step 2: Convert to fraction form
    440,549.28/660,561.48 = 174,347.64/x
  3. Step 3: Cross multiply
    440,549.28x = 660,561.48 × 174,347.64
  4. Step 4: Simplify right side
    440,549.28x = 115,167,335,112.91
  5. Step 5: Solve for x
    x = 115,167,335,112.91/440,549.28
  6. Step 6: Final answer
    x = 261,417.60

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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.