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Finding the Fourth Proportional to 431,324.64, 595,219.98 and 240,333.96

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Solution

The fourth proportional to 431,324.64, 595,219.98 and 240,333.96 is: 331,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,324.64 : 595,219.98 = 240,333.96 : x
  2. Step 2: Convert to fraction form
    431,324.64/595,219.98 = 240,333.96/x
  3. Step 3: Cross multiply
    431,324.64x = 595,219.98 × 240,333.96
  4. Step 4: Simplify right side
    431,324.64x = 143,051,574,864.52
  5. Step 5: Solve for x
    x = 143,051,574,864.52/431,324.64
  6. Step 6: Final answer
    x = 331,656.39

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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.