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Finding the Fourth Proportional to 293,182.20, 439,117.20 and 253,816.20

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Solution

The fourth proportional to 293,182.20, 439,117.20 and 253,816.20 is: 380,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,182.20 : 439,117.20 = 253,816.20 : x
  2. Step 2: Convert to fraction form
    293,182.20/439,117.20 = 253,816.20/x
  3. Step 3: Cross multiply
    293,182.20x = 439,117.20 × 253,816.20
  4. Step 4: Simplify right side
    293,182.20x = 111,455,059,058.64
  5. Step 5: Solve for x
    x = 111,455,059,058.64/293,182.20
  6. Step 6: Final answer
    x = 380,156.30

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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.