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Finding the Fourth Proportional to 988,853, 1,482,399.84 and 357,626.48

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Solution

The fourth proportional to 988,853, 1,482,399.84 and 357,626.48 is: 536,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,853 : 1,482,399.84 = 357,626.48 : x
  2. Step 2: Convert to fraction form
    988,853/1,482,399.84 = 357,626.48/x
  3. Step 3: Cross multiply
    988,853x = 1,482,399.84 × 357,626.48
  4. Step 4: Simplify right side
    988,853x = 530,145,436,731.76
  5. Step 5: Solve for x
    x = 530,145,436,731.76/988,853
  6. Step 6: Final answer
    x = 536,121.58

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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.