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Finding the Fourth Proportional to 259,670.88, 389,506.30 and 62,678.88

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Solution

The fourth proportional to 259,670.88, 389,506.30 and 62,678.88 is: 94,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,670.88 : 389,506.30 = 62,678.88 : x
  2. Step 2: Convert to fraction form
    259,670.88/389,506.30 = 62,678.88/x
  3. Step 3: Cross multiply
    259,670.88x = 389,506.30 × 62,678.88
  4. Step 4: Simplify right side
    259,670.88x = 24,413,818,636.94
  5. Step 5: Solve for x
    x = 24,413,818,636.94/259,670.88
  6. Step 6: Final answer
    x = 94,018.32

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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.