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Finding the Fourth Proportional to 447,559.40, 672,116.70 and 237,607.40

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Solution

The fourth proportional to 447,559.40, 672,116.70 and 237,607.40 is: 356,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,559.40 : 672,116.70 = 237,607.40 : x
  2. Step 2: Convert to fraction form
    447,559.40/672,116.70 = 237,607.40/x
  3. Step 3: Cross multiply
    447,559.40x = 672,116.70 × 237,607.40
  4. Step 4: Simplify right side
    447,559.40x = 159,699,901,583.58
  5. Step 5: Solve for x
    x = 159,699,901,583.58/447,559.40
  6. Step 6: Final answer
    x = 356,823.92

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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.