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Finding the Fourth Proportional to 473,037.60, 709,556.40 and 248,311.20

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Solution

The fourth proportional to 473,037.60, 709,556.40 and 248,311.20 is: 372,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,037.60 : 709,556.40 = 248,311.20 : x
  2. Step 2: Convert to fraction form
    473,037.60/709,556.40 = 248,311.20/x
  3. Step 3: Cross multiply
    473,037.60x = 709,556.40 × 248,311.20
  4. Step 4: Simplify right side
    473,037.60x = 176,190,801,151.68
  5. Step 5: Solve for x
    x = 176,190,801,151.68/473,037.60
  6. Step 6: Final answer
    x = 372,466.80

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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.