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Finding the Fourth Proportional to 364,864.60, 547,005.30 and 154,329.40

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Solution

The fourth proportional to 364,864.60, 547,005.30 and 154,329.40 is: 231,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,864.60 : 547,005.30 = 154,329.40 : x
  2. Step 2: Convert to fraction form
    364,864.60/547,005.30 = 154,329.40/x
  3. Step 3: Cross multiply
    364,864.60x = 547,005.30 × 154,329.40
  4. Step 4: Simplify right side
    364,864.60x = 84,418,999,745.82
  5. Step 5: Solve for x
    x = 84,418,999,745.82/364,864.60
  6. Step 6: Final answer
    x = 231,370.76

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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.