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Finding the Fourth Proportional to 649,674.44, 896,525.01 and 359,267.15

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Solution

The fourth proportional to 649,674.44, 896,525.01 and 359,267.15 is: 495,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,674.44 : 896,525.01 = 359,267.15 : x
  2. Step 2: Convert to fraction form
    649,674.44/896,525.01 = 359,267.15/x
  3. Step 3: Cross multiply
    649,674.44x = 896,525.01 × 359,267.15
  4. Step 4: Simplify right side
    649,674.44x = 322,091,987,487.73
  5. Step 5: Solve for x
    x = 322,091,987,487.73/649,674.44
  6. Step 6: Final answer
    x = 495,774.45

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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.