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Finding the Fourth Proportional to 341,763.30, 468,207.95 and 328,985.10

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Solution

The fourth proportional to 341,763.30, 468,207.95 and 328,985.10 is: 450,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,763.30 : 468,207.95 = 328,985.10 : x
  2. Step 2: Convert to fraction form
    341,763.30/468,207.95 = 328,985.10/x
  3. Step 3: Cross multiply
    341,763.30x = 468,207.95 × 328,985.10
  4. Step 4: Simplify right side
    341,763.30x = 154,033,437,606.62
  5. Step 5: Solve for x
    x = 154,033,437,606.62/341,763.30
  6. Step 6: Final answer
    x = 450,702.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.