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Finding the Fourth Proportional to 374,254.56, 516,700.11 and 243,556.74

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Solution

The fourth proportional to 374,254.56, 516,700.11 and 243,556.74 is: 336,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,254.56 : 516,700.11 = 243,556.74 : x
  2. Step 2: Convert to fraction form
    374,254.56/516,700.11 = 243,556.74/x
  3. Step 3: Cross multiply
    374,254.56x = 516,700.11 × 243,556.74
  4. Step 4: Simplify right side
    374,254.56x = 125,845,794,349.24
  5. Step 5: Solve for x
    x = 125,845,794,349.24/374,254.56
  6. Step 6: Final answer
    x = 336,257.21

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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.