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Finding the Fourth Proportional to 439,042.48, 605,880.48 and 237,838.48

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Solution

The fourth proportional to 439,042.48, 605,880.48 and 237,838.48 is: 328,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,042.48 : 605,880.48 = 237,838.48 : x
  2. Step 2: Convert to fraction form
    439,042.48/605,880.48 = 237,838.48/x
  3. Step 3: Cross multiply
    439,042.48x = 605,880.48 × 237,838.48
  4. Step 4: Simplify right side
    439,042.48x = 144,101,692,424.87
  5. Step 5: Solve for x
    x = 144,101,692,424.87/439,042.48
  6. Step 6: Final answer
    x = 328,218.11

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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.