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Finding the Fourth Proportional to 418,280.61, 577,226.80 and 227,293.54

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Solution

The fourth proportional to 418,280.61, 577,226.80 and 227,293.54 is: 313,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,280.61 : 577,226.80 = 227,293.54 : x
  2. Step 2: Convert to fraction form
    418,280.61/577,226.80 = 227,293.54/x
  3. Step 3: Cross multiply
    418,280.61x = 577,226.80 × 227,293.54
  4. Step 4: Simplify right side
    418,280.61x = 131,199,922,186.64
  5. Step 5: Solve for x
    x = 131,199,922,186.64/418,280.61
  6. Step 6: Final answer
    x = 313,664.85

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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.