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Finding the Fourth Proportional to 343,571.68, 474,032.01 and 222,718.06

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Solution

The fourth proportional to 343,571.68, 474,032.01 and 222,718.06 is: 307,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,571.68 : 474,032.01 = 222,718.06 : x
  2. Step 2: Convert to fraction form
    343,571.68/474,032.01 = 222,718.06/x
  3. Step 3: Cross multiply
    343,571.68x = 474,032.01 × 222,718.06
  4. Step 4: Simplify right side
    343,571.68x = 105,575,489,645.10
  5. Step 5: Solve for x
    x = 105,575,489,645.10/343,571.68
  6. Step 6: Final answer
    x = 307,288.10

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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.