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Finding the Fourth Proportional to 484,304.10, 668,339.67 and 269,444.10

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Solution

The fourth proportional to 484,304.10, 668,339.67 and 269,444.10 is: 371,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,304.10 : 668,339.67 = 269,444.10 : x
  2. Step 2: Convert to fraction form
    484,304.10/668,339.67 = 269,444.10/x
  3. Step 3: Cross multiply
    484,304.10x = 668,339.67 × 269,444.10
  4. Step 4: Simplify right side
    484,304.10x = 180,080,180,877.45
  5. Step 5: Solve for x
    x = 180,080,180,877.45/484,304.10
  6. Step 6: Final answer
    x = 371,832.86

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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.