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Finding the Fourth Proportional to 438,022.88, 604,471.51 and 236,818.88

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Solution

The fourth proportional to 438,022.88, 604,471.51 and 236,818.88 is: 326,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,022.88 : 604,471.51 = 236,818.88 : x
  2. Step 2: Convert to fraction form
    438,022.88/604,471.51 = 236,818.88/x
  3. Step 3: Cross multiply
    438,022.88x = 604,471.51 × 236,818.88
  4. Step 4: Simplify right side
    438,022.88x = 143,150,265,990.11
  5. Step 5: Solve for x
    x = 143,150,265,990.11/438,022.88
  6. Step 6: Final answer
    x = 326,810.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.