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Finding the Fourth Proportional to 473,003.60, 709,505.40 and 248,277.20

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Solution

The fourth proportional to 473,003.60, 709,505.40 and 248,277.20 is: 372,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003.60 : 709,505.40 = 248,277.20 : x
  2. Step 2: Convert to fraction form
    473,003.60/709,505.40 = 248,277.20/x
  3. Step 3: Cross multiply
    473,003.60x = 709,505.40 × 248,277.20
  4. Step 4: Simplify right side
    473,003.60x = 176,154,014,096.88
  5. Step 5: Solve for x
    x = 176,154,014,096.88/473,003.60
  6. Step 6: Final answer
    x = 372,415.80

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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.