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Finding the Fourth Proportional to 299,492.90, 413,297.07 and 163,526.45

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Solution

The fourth proportional to 299,492.90, 413,297.07 and 163,526.45 is: 225,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,492.90 : 413,297.07 = 163,526.45 : x
  2. Step 2: Convert to fraction form
    299,492.90/413,297.07 = 163,526.45/x
  3. Step 3: Cross multiply
    299,492.90x = 413,297.07 × 163,526.45
  4. Step 4: Simplify right side
    299,492.90x = 67,585,002,652.50
  5. Step 5: Solve for x
    x = 67,585,002,652.50/299,492.90
  6. Step 6: Final answer
    x = 225,664.79

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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.