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Finding the Fourth Proportional to 293,577.60, 440,366.40 and 243,757.20

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Solution

The fourth proportional to 293,577.60, 440,366.40 and 243,757.20 is: 365,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,577.60 : 440,366.40 = 243,757.20 : x
  2. Step 2: Convert to fraction form
    293,577.60/440,366.40 = 243,757.20/x
  3. Step 3: Cross multiply
    293,577.60x = 440,366.40 × 243,757.20
  4. Step 4: Simplify right side
    293,577.60x = 107,342,480,638.08
  5. Step 5: Solve for x
    x = 107,342,480,638.08/293,577.60
  6. Step 6: Final answer
    x = 365,635.80

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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.