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Finding the Fourth Proportional to 563,995.19, 778,487.61 and 362,791.19

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Solution

The fourth proportional to 563,995.19, 778,487.61 and 362,791.19 is: 500,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,995.19 : 778,487.61 = 362,791.19 : x
  2. Step 2: Convert to fraction form
    563,995.19/778,487.61 = 362,791.19/x
  3. Step 3: Cross multiply
    563,995.19x = 778,487.61 × 362,791.19
  4. Step 4: Simplify right side
    563,995.19x = 282,428,442,539.72
  5. Step 5: Solve for x
    x = 282,428,442,539.72/563,995.19
  6. Step 6: Final answer
    x = 500,763.93

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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.