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Finding the Fourth Proportional to 662,648.94, 914,430.43 and 404,956.86

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Solution

The fourth proportional to 662,648.94, 914,430.43 and 404,956.86 is: 558,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,648.94 : 914,430.43 = 404,956.86 : x
  2. Step 2: Convert to fraction form
    662,648.94/914,430.43 = 404,956.86/x
  3. Step 3: Cross multiply
    662,648.94x = 914,430.43 × 404,956.86
  4. Step 4: Simplify right side
    662,648.94x = 370,304,875,621.25
  5. Step 5: Solve for x
    x = 370,304,875,621.25/662,648.94
  6. Step 6: Final answer
    x = 558,825.12

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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.