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Finding the Fourth Proportional to 437,732.60, 657,117.30 and 248,343.80

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Solution

The fourth proportional to 437,732.60, 657,117.30 and 248,343.80 is: 372,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,732.60 : 657,117.30 = 248,343.80 : x
  2. Step 2: Convert to fraction form
    437,732.60/657,117.30 = 248,343.80/x
  3. Step 3: Cross multiply
    437,732.60x = 657,117.30 × 248,343.80
  4. Step 4: Simplify right side
    437,732.60x = 163,191,007,327.74
  5. Step 5: Solve for x
    x = 163,191,007,327.74/437,732.60
  6. Step 6: Final answer
    x = 372,809.81

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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.