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Finding the Fourth Proportional to 365,299.49, 547,350.21 and 258,160.16

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Solution

The fourth proportional to 365,299.49, 547,350.21 and 258,160.16 is: 386,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,299.49 : 547,350.21 = 258,160.16 : x
  2. Step 2: Convert to fraction form
    365,299.49/547,350.21 = 258,160.16/x
  3. Step 3: Cross multiply
    365,299.49x = 547,350.21 × 258,160.16
  4. Step 4: Simplify right side
    365,299.49x = 141,304,019,158.01
  5. Step 5: Solve for x
    x = 141,304,019,158.01/365,299.49
  6. Step 6: Final answer
    x = 386,816.91

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1.5x scale

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.