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Finding the Fourth Proportional to 630,155.34, 945,233.58 and 270,092.53

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Solution

The fourth proportional to 630,155.34, 945,233.58 and 270,092.53 is: 405,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,155.34 : 945,233.58 = 270,092.53 : x
  2. Step 2: Convert to fraction form
    630,155.34/945,233.58 = 270,092.53/x
  3. Step 3: Cross multiply
    630,155.34x = 945,233.58 × 270,092.53
  4. Step 4: Simplify right side
    630,155.34x = 255,300,530,244.70
  5. Step 5: Solve for x
    x = 255,300,530,244.70/630,155.34
  6. Step 6: Final answer
    x = 405,139.04

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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.