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Finding the Fourth Proportional to 659,994.02, 910,791.51 and 358,188.02

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Solution

The fourth proportional to 659,994.02, 910,791.51 and 358,188.02 is: 494,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,994.02 : 910,791.51 = 358,188.02 : x
  2. Step 2: Convert to fraction form
    659,994.02/910,791.51 = 358,188.02/x
  3. Step 3: Cross multiply
    659,994.02x = 910,791.51 × 358,188.02
  4. Step 4: Simplify right side
    659,994.02x = 326,234,607,599.71
  5. Step 5: Solve for x
    x = 326,234,607,599.71/659,994.02
  6. Step 6: Final answer
    x = 494,299.34

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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.