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Finding the Fourth Proportional to 592,479.71, 888,509.37 and 213,298.62

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Solution

The fourth proportional to 592,479.71, 888,509.37 and 213,298.62 is: 319,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,479.71 : 888,509.37 = 213,298.62 : x
  2. Step 2: Convert to fraction form
    592,479.71/888,509.37 = 213,298.62/x
  3. Step 3: Cross multiply
    592,479.71x = 888,509.37 × 213,298.62
  4. Step 4: Simplify right side
    592,479.71x = 189,517,822,478.07
  5. Step 5: Solve for x
    x = 189,517,822,478.07/592,479.71
  6. Step 6: Final answer
    x = 319,872.26

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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.