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Finding the Fourth Proportional to 341,963.64, 512,897.52 and 117,320.40

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Solution

The fourth proportional to 341,963.64, 512,897.52 and 117,320.40 is: 175,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,963.64 : 512,897.52 = 117,320.40 : x
  2. Step 2: Convert to fraction form
    341,963.64/512,897.52 = 117,320.40/x
  3. Step 3: Cross multiply
    341,963.64x = 512,897.52 × 117,320.40
  4. Step 4: Simplify right side
    341,963.64x = 60,173,342,205.41
  5. Step 5: Solve for x
    x = 60,173,342,205.41/341,963.64
  6. Step 6: Final answer
    x = 175,964.15

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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.