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Finding the Fourth Proportional to 604,985.88, 905,198.70 and 360,924.38

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Solution

The fourth proportional to 604,985.88, 905,198.70 and 360,924.38 is: 540,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,985.88 : 905,198.70 = 360,924.38 : x
  2. Step 2: Convert to fraction form
    604,985.88/905,198.70 = 360,924.38/x
  3. Step 3: Cross multiply
    604,985.88x = 905,198.70 × 360,924.38
  4. Step 4: Simplify right side
    604,985.88x = 326,708,279,574.31
  5. Step 5: Solve for x
    x = 326,708,279,574.31/604,985.88
  6. Step 6: Final answer
    x = 540,026.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.