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Finding the Fourth Proportional to 586,999.58, 880,893.90 and 207,918.95

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Solution

The fourth proportional to 586,999.58, 880,893.90 and 207,918.95 is: 312,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,999.58 : 880,893.90 = 207,918.95 : x
  2. Step 2: Convert to fraction form
    586,999.58/880,893.90 = 207,918.95/x
  3. Step 3: Cross multiply
    586,999.58x = 880,893.90 × 207,918.95
  4. Step 4: Simplify right side
    586,999.58x = 183,154,530,344.94
  5. Step 5: Solve for x
    x = 183,154,530,344.94/586,999.58
  6. Step 6: Final answer
    x = 312,018.17

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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.