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Finding the Fourth Proportional to 293,046.40, 440,444.40 and 254,555.20

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Solution

The fourth proportional to 293,046.40, 440,444.40 and 254,555.20 is: 382,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,046.40 : 440,444.40 = 254,555.20 : x
  2. Step 2: Convert to fraction form
    293,046.40/440,444.40 = 254,555.20/x
  3. Step 3: Cross multiply
    293,046.40x = 440,444.40 × 254,555.20
  4. Step 4: Simplify right side
    293,046.40x = 112,117,412,330.88
  5. Step 5: Solve for x
    x = 112,117,412,330.88/293,046.40
  6. Step 6: Final answer
    x = 382,592.70

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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.