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Finding the Fourth Proportional to 586,292.85, 808,969.11 and 368,375.28

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Solution

The fourth proportional to 586,292.85, 808,969.11 and 368,375.28 is: 508,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,292.85 : 808,969.11 = 368,375.28 : x
  2. Step 2: Convert to fraction form
    586,292.85/808,969.11 = 368,375.28/x
  3. Step 3: Cross multiply
    586,292.85x = 808,969.11 × 368,375.28
  4. Step 4: Simplify right side
    586,292.85x = 298,004,222,407.60
  5. Step 5: Solve for x
    x = 298,004,222,407.60/586,292.85
  6. Step 6: Final answer
    x = 508,285.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.