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Finding the Fourth Proportional to 484,300.91, 668,335.16 and 269,440.92

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Solution

The fourth proportional to 484,300.91, 668,335.16 and 269,440.92 is: 371,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,300.91 : 668,335.16 = 269,440.92 : x
  2. Step 2: Convert to fraction form
    484,300.91/668,335.16 = 269,440.92/x
  3. Step 3: Cross multiply
    484,300.91x = 668,335.16 × 269,440.92
  4. Step 4: Simplify right side
    484,300.91x = 180,076,839,031.54
  5. Step 5: Solve for x
    x = 180,076,839,031.54/484,300.91
  6. Step 6: Final answer
    x = 371,828.42

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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.