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Finding the Fourth Proportional to 342,901.50, 473,094.72 and 222,135.36

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Solution

The fourth proportional to 342,901.50, 473,094.72 and 222,135.36 is: 306,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,901.50 : 473,094.72 = 222,135.36 : x
  2. Step 2: Convert to fraction form
    342,901.50/473,094.72 = 222,135.36/x
  3. Step 3: Cross multiply
    342,901.50x = 473,094.72 × 222,135.36
  4. Step 4: Simplify right side
    342,901.50x = 105,091,065,941.30
  5. Step 5: Solve for x
    x = 105,091,065,941.30/342,901.50
  6. Step 6: Final answer
    x = 306,475.96

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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.