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Finding the Fourth Proportional to 440,040.80, 659,931.60 and 173,712.80

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Solution

The fourth proportional to 440,040.80, 659,931.60 and 173,712.80 is: 260,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,040.80 : 659,931.60 = 173,712.80 : x
  2. Step 2: Convert to fraction form
    440,040.80/659,931.60 = 173,712.80/x
  3. Step 3: Cross multiply
    440,040.80x = 659,931.60 × 173,712.80
  4. Step 4: Simplify right side
    440,040.80x = 114,638,566,044.48
  5. Step 5: Solve for x
    x = 114,638,566,044.48/440,040.80
  6. Step 6: Final answer
    x = 260,518.04

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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.