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Finding the Fourth Proportional to 318,801.48, 477,580.14 and 248,350.92

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Solution

The fourth proportional to 318,801.48, 477,580.14 and 248,350.92 is: 372,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,801.48 : 477,580.14 = 248,350.92 : x
  2. Step 2: Convert to fraction form
    318,801.48/477,580.14 = 248,350.92/x
  3. Step 3: Cross multiply
    318,801.48x = 477,580.14 × 248,350.92
  4. Step 4: Simplify right side
    318,801.48x = 118,607,467,142.73
  5. Step 5: Solve for x
    x = 118,607,467,142.73/318,801.48
  6. Step 6: Final answer
    x = 372,041.77

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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.