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Finding the Fourth Proportional to 293,014.80, 439,003.80 and 274,352.40

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Solution

The fourth proportional to 293,014.80, 439,003.80 and 274,352.40 is: 411,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,014.80 : 439,003.80 = 274,352.40 : x
  2. Step 2: Convert to fraction form
    293,014.80/439,003.80 = 274,352.40/x
  3. Step 3: Cross multiply
    293,014.80x = 439,003.80 × 274,352.40
  4. Step 4: Simplify right side
    293,014.80x = 120,441,746,139.12
  5. Step 5: Solve for x
    x = 120,441,746,139.12/293,014.80
  6. Step 6: Final answer
    x = 411,043.22

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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.