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Finding the Fourth Proportional to 662,042.09, 913,590.45 and 375,616.17

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Solution

The fourth proportional to 662,042.09, 913,590.45 and 375,616.17 is: 518,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,042.09 : 913,590.45 = 375,616.17 : x
  2. Step 2: Convert to fraction form
    662,042.09/913,590.45 = 375,616.17/x
  3. Step 3: Cross multiply
    662,042.09x = 913,590.45 × 375,616.17
  4. Step 4: Simplify right side
    662,042.09x = 343,159,345,777.58
  5. Step 5: Solve for x
    x = 343,159,345,777.58/662,042.09
  6. Step 6: Final answer
    x = 518,334.63

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