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Finding the Fourth Proportional to 586,442.92, 879,680.70 and 207,310.04

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Solution

The fourth proportional to 586,442.92, 879,680.70 and 207,310.04 is: 310,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,442.92 : 879,680.70 = 207,310.04 : x
  2. Step 2: Convert to fraction form
    586,442.92/879,680.70 = 207,310.04/x
  3. Step 3: Cross multiply
    586,442.92x = 879,680.70 × 207,310.04
  4. Step 4: Simplify right side
    586,442.92x = 182,366,641,104.23
  5. Step 5: Solve for x
    x = 182,366,641,104.23/586,442.92
  6. Step 6: Final answer
    x = 310,970.83

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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.