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Finding the Fourth Proportional to 431,071.56, 594,878.70 and 240,084.90

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Solution

The fourth proportional to 431,071.56, 594,878.70 and 240,084.90 is: 331,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,071.56 : 594,878.70 = 240,084.90 : x
  2. Step 2: Convert to fraction form
    431,071.56/594,878.70 = 240,084.90/x
  3. Step 3: Cross multiply
    431,071.56x = 594,878.70 × 240,084.90
  4. Step 4: Simplify right side
    431,071.56x = 142,821,393,201.63
  5. Step 5: Solve for x
    x = 142,821,393,201.63/431,071.56
  6. Step 6: Final answer
    x = 331,317.13

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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.