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Finding the Fourth Proportional to 293,807.20, 440,710.80 and 268,002.40

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Solution

The fourth proportional to 293,807.20, 440,710.80 and 268,002.40 is: 402,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,807.20 : 440,710.80 = 268,002.40 : x
  2. Step 2: Convert to fraction form
    293,807.20/440,710.80 = 268,002.40/x
  3. Step 3: Cross multiply
    293,807.20x = 440,710.80 × 268,002.40
  4. Step 4: Simplify right side
    293,807.20x = 118,111,552,105.92
  5. Step 5: Solve for x
    x = 118,111,552,105.92/293,807.20
  6. Step 6: Final answer
    x = 402,003.60

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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.