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Finding the Fourth Proportional to 586,998.78, 880,892.82 and 207,918.24

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Solution

The fourth proportional to 586,998.78, 880,892.82 and 207,918.24 is: 312,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,998.78 : 880,892.82 = 207,918.24 : x
  2. Step 2: Convert to fraction form
    586,998.78/880,892.82 = 207,918.24/x
  3. Step 3: Cross multiply
    586,998.78x = 880,892.82 × 207,918.24
  4. Step 4: Simplify right side
    586,998.78x = 183,153,684,763.04
  5. Step 5: Solve for x
    x = 183,153,684,763.04/586,998.78
  6. Step 6: Final answer
    x = 312,017.15

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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.