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Finding the Fourth Proportional to 308,832.10, 463,248.15 and 109,150.90

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Solution

The fourth proportional to 308,832.10, 463,248.15 and 109,150.90 is: 163,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,832.10 : 463,248.15 = 109,150.90 : x
  2. Step 2: Convert to fraction form
    308,832.10/463,248.15 = 109,150.90/x
  3. Step 3: Cross multiply
    308,832.10x = 463,248.15 × 109,150.90
  4. Step 4: Simplify right side
    308,832.10x = 50,563,952,495.84
  5. Step 5: Solve for x
    x = 50,563,952,495.84/308,832.10
  6. Step 6: Final answer
    x = 163,726.35

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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.