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Finding the Fourth Proportional to 447,216.40, 671,602.20 and 237,264.40

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Solution

The fourth proportional to 447,216.40, 671,602.20 and 237,264.40 is: 356,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,216.40 : 671,602.20 = 237,264.40 : x
  2. Step 2: Convert to fraction form
    447,216.40/671,602.20 = 237,264.40/x
  3. Step 3: Cross multiply
    447,216.40x = 671,602.20 × 237,264.40
  4. Step 4: Simplify right side
    447,216.40x = 159,347,293,021.68
  5. Step 5: Solve for x
    x = 159,347,293,021.68/447,216.40
  6. Step 6: Final answer
    x = 356,309.14

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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.