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Finding the Fourth Proportional to 296,473.55, 444,717.62 and 86,113.31

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Solution

The fourth proportional to 296,473.55, 444,717.62 and 86,113.31 is: 129,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,473.55 : 444,717.62 = 86,113.31 : x
  2. Step 2: Convert to fraction form
    296,473.55/444,717.62 = 86,113.31/x
  3. Step 3: Cross multiply
    296,473.55x = 444,717.62 × 86,113.31
  4. Step 4: Simplify right side
    296,473.55x = 38,296,103,619.37
  5. Step 5: Solve for x
    x = 38,296,103,619.37/296,473.55
  6. Step 6: Final answer
    x = 129,172.08

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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.