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Finding the Fourth Proportional to 478,462.93, 717,460.94 and 273,273.73

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Solution

The fourth proportional to 478,462.93, 717,460.94 and 273,273.73 is: 409,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,462.93 : 717,460.94 = 273,273.73 : x
  2. Step 2: Convert to fraction form
    478,462.93/717,460.94 = 273,273.73/x
  3. Step 3: Cross multiply
    478,462.93x = 717,460.94 × 273,273.73
  4. Step 4: Simplify right side
    478,462.93x = 196,063,225,836.74
  5. Step 5: Solve for x
    x = 196,063,225,836.74/478,462.93
  6. Step 6: Final answer
    x = 409,777.25

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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.