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Finding the Fourth Proportional to 364,011.12, 543,169.01 and 326,186.01

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Solution

The fourth proportional to 364,011.12, 543,169.01 and 326,186.01 is: 486,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,011.12 : 543,169.01 = 326,186.01 : x
  2. Step 2: Convert to fraction form
    364,011.12/543,169.01 = 326,186.01/x
  3. Step 3: Cross multiply
    364,011.12x = 543,169.01 × 326,186.01
  4. Step 4: Simplify right side
    364,011.12x = 177,174,130,496.62
  5. Step 5: Solve for x
    x = 177,174,130,496.62/364,011.12
  6. Step 6: Final answer
    x = 486,727.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.