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Finding the Fourth Proportional to 582,507.51, 873,860.90 and 266,991.45

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Solution

The fourth proportional to 582,507.51, 873,860.90 and 266,991.45 is: 400,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,507.51 : 873,860.90 = 266,991.45 : x
  2. Step 2: Convert to fraction form
    582,507.51/873,860.90 = 266,991.45/x
  3. Step 3: Cross multiply
    582,507.51x = 873,860.90 × 266,991.45
  4. Step 4: Simplify right side
    582,507.51x = 233,313,387,454.35
  5. Step 5: Solve for x
    x = 233,313,387,454.35/582,507.51
  6. Step 6: Final answer
    x = 400,532.84

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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.