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Finding the Fourth Proportional to 343,570.68, 474,030.63 and 222,717.06

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Solution

The fourth proportional to 343,570.68, 474,030.63 and 222,717.06 is: 307,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,570.68 : 474,030.63 = 222,717.06 : x
  2. Step 2: Convert to fraction form
    343,570.68/474,030.63 = 222,717.06/x
  3. Step 3: Cross multiply
    343,570.68x = 474,030.63 × 222,717.06
  4. Step 4: Simplify right side
    343,570.68x = 105,574,708,263.55
  5. Step 5: Solve for x
    x = 105,574,708,263.55/343,570.68
  6. Step 6: Final answer
    x = 307,286.72

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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.