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Finding the Fourth Proportional to 299,599.47, 413,437.91 and 163,631.25

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Solution

The fourth proportional to 299,599.47, 413,437.91 and 163,631.25 is: 225,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,599.47 : 413,437.91 = 163,631.25 : x
  2. Step 2: Convert to fraction form
    299,599.47/413,437.91 = 163,631.25/x
  3. Step 3: Cross multiply
    299,599.47x = 413,437.91 × 163,631.25
  4. Step 4: Simplify right side
    299,599.47x = 67,651,361,192.53
  5. Step 5: Solve for x
    x = 67,651,361,192.53/299,599.47
  6. Step 6: Final answer
    x = 225,806.01

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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.