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Finding the Fourth Proportional to 474,113.08, 654,222.31 and 280,526.73

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Solution

The fourth proportional to 474,113.08, 654,222.31 and 280,526.73 is: 387,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,113.08 : 654,222.31 = 280,526.73 : x
  2. Step 2: Convert to fraction form
    474,113.08/654,222.31 = 280,526.73/x
  3. Step 3: Cross multiply
    474,113.08x = 654,222.31 × 280,526.73
  4. Step 4: Simplify right side
    474,113.08x = 183,526,845,317.35
  5. Step 5: Solve for x
    x = 183,526,845,317.35/474,113.08
  6. Step 6: Final answer
    x = 387,095.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.