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Finding the Fourth Proportional to 364,744.79, 547,053.39 and 165,018.23

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Solution

The fourth proportional to 364,744.79, 547,053.39 and 165,018.23 is: 247,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,744.79 : 547,053.39 = 165,018.23 : x
  2. Step 2: Convert to fraction form
    364,744.79/547,053.39 = 165,018.23/x
  3. Step 3: Cross multiply
    364,744.79x = 547,053.39 × 165,018.23
  4. Step 4: Simplify right side
    364,744.79x = 90,273,779,398.03
  5. Step 5: Solve for x
    x = 90,273,779,398.03/364,744.79
  6. Step 6: Final answer
    x = 247,498.48

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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.