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Finding the Fourth Proportional to 613,248.10, 919,872.15 and 164,038.30

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Solution

The fourth proportional to 613,248.10, 919,872.15 and 164,038.30 is: 246,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,248.10 : 919,872.15 = 164,038.30 : x
  2. Step 2: Convert to fraction form
    613,248.10/919,872.15 = 164,038.30/x
  3. Step 3: Cross multiply
    613,248.10x = 919,872.15 × 164,038.30
  4. Step 4: Simplify right side
    613,248.10x = 150,894,263,703.35
  5. Step 5: Solve for x
    x = 150,894,263,703.35/613,248.10
  6. Step 6: Final answer
    x = 246,057.45

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Similar ratio
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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.