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Finding the Fourth Proportional to 630,533.52, 945,466.32 and 275,132.56

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Solution

The fourth proportional to 630,533.52, 945,466.32 and 275,132.56 is: 412,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,533.52 : 945,466.32 = 275,132.56 : x
  2. Step 2: Convert to fraction form
    630,533.52/945,466.32 = 275,132.56/x
  3. Step 3: Cross multiply
    630,533.52x = 945,466.32 × 275,132.56
  4. Step 4: Simplify right side
    630,533.52x = 260,128,569,015.38
  5. Step 5: Solve for x
    x = 260,128,569,015.38/630,533.52
  6. Step 6: Final answer
    x = 412,553.12

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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.