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Finding the Fourth Proportional to 439,084.24, 605,939.16 and 237,880.24

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Solution

The fourth proportional to 439,084.24, 605,939.16 and 237,880.24 is: 328,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,084.24 : 605,939.16 = 237,880.24 : x
  2. Step 2: Convert to fraction form
    439,084.24/605,939.16 = 237,880.24/x
  3. Step 3: Cross multiply
    439,084.24x = 605,939.16 × 237,880.24
  4. Step 4: Simplify right side
    439,084.24x = 144,140,952,806.20
  5. Step 5: Solve for x
    x = 144,140,952,806.20/439,084.24
  6. Step 6: Final answer
    x = 328,276.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.