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Finding the Fourth Proportional to 630,031, 945,046.50 and 163,087

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Solution

The fourth proportional to 630,031, 945,046.50 and 163,087 is: 244,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,031 : 945,046.50 = 163,087 : x
  2. Step 2: Convert to fraction form
    630,031/945,046.50 = 163,087/x
  3. Step 3: Cross multiply
    630,031x = 945,046.50 × 163,087
  4. Step 4: Simplify right side
    630,031x = 154,124,798,545.50
  5. Step 5: Solve for x
    x = 154,124,798,545.50/630,031
  6. Step 6: Final answer
    x = 244,630.50

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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.