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Finding the Fourth Proportional to 293,479.80, 440,219.70 and 175,090.20

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Solution

The fourth proportional to 293,479.80, 440,219.70 and 175,090.20 is: 262,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,479.80 : 440,219.70 = 175,090.20 : x
  2. Step 2: Convert to fraction form
    293,479.80/440,219.70 = 175,090.20/x
  3. Step 3: Cross multiply
    293,479.80x = 440,219.70 × 175,090.20
  4. Step 4: Simplify right side
    293,479.80x = 77,078,155,316.94
  5. Step 5: Solve for x
    x = 77,078,155,316.94/293,479.80
  6. Step 6: Final answer
    x = 262,635.30

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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.