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Finding the Fourth Proportional to 418,585.52, 579,169.20 and 364,982.16

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Solution

The fourth proportional to 418,585.52, 579,169.20 and 364,982.16 is: 505,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,585.52 : 579,169.20 = 364,982.16 : x
  2. Step 2: Convert to fraction form
    418,585.52/579,169.20 = 364,982.16/x
  3. Step 3: Cross multiply
    418,585.52x = 579,169.20 × 364,982.16
  4. Step 4: Simplify right side
    418,585.52x = 211,386,425,621.47
  5. Step 5: Solve for x
    x = 211,386,425,621.47/418,585.52
  6. Step 6: Final answer
    x = 505,001.76

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1.5x scale

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.