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Finding the Fourth Proportional to 611,215.19, 843,461.41 and 335,571.69

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Solution

The fourth proportional to 611,215.19, 843,461.41 and 335,571.69 is: 463,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,215.19 : 843,461.41 = 335,571.69 : x
  2. Step 2: Convert to fraction form
    611,215.19/843,461.41 = 335,571.69/x
  3. Step 3: Cross multiply
    611,215.19x = 843,461.41 × 335,571.69
  4. Step 4: Simplify right side
    611,215.19x = 283,041,766,586.18
  5. Step 5: Solve for x
    x = 283,041,766,586.18/611,215.19
  6. Step 6: Final answer
    x = 463,080.38

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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.