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Finding the Fourth Proportional to 424,571.21, 585,908.25 and 233,580.50

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Solution

The fourth proportional to 424,571.21, 585,908.25 and 233,580.50 is: 322,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,571.21 : 585,908.25 = 233,580.50 : x
  2. Step 2: Convert to fraction form
    424,571.21/585,908.25 = 233,580.50/x
  3. Step 3: Cross multiply
    424,571.21x = 585,908.25 × 233,580.50
  4. Step 4: Simplify right side
    424,571.21x = 136,856,741,989.13
  5. Step 5: Solve for x
    x = 136,856,741,989.13/424,571.21
  6. Step 6: Final answer
    x = 322,341.08

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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.