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Finding the Fourth Proportional to 238,083.80, 357,125.70 and 222,337.40

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Solution

The fourth proportional to 238,083.80, 357,125.70 and 222,337.40 is: 333,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.80 : 357,125.70 = 222,337.40 : x
  2. Step 2: Convert to fraction form
    238,083.80/357,125.70 = 222,337.40/x
  3. Step 3: Cross multiply
    238,083.80x = 357,125.70 × 222,337.40
  4. Step 4: Simplify right side
    238,083.80x = 79,402,399,611.18
  5. Step 5: Solve for x
    x = 79,402,399,611.18/238,083.80
  6. Step 6: Final answer
    x = 333,506.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.