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Finding the Fourth Proportional to 474,363.45, 654,626.72 and 259,498.90

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Solution

The fourth proportional to 474,363.45, 654,626.72 and 259,498.90 is: 358,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,363.45 : 654,626.72 = 259,498.90 : x
  2. Step 2: Convert to fraction form
    474,363.45/654,626.72 = 259,498.90/x
  3. Step 3: Cross multiply
    474,363.45x = 654,626.72 × 259,498.90
  4. Step 4: Simplify right side
    474,363.45x = 169,874,913,750.61
  5. Step 5: Solve for x
    x = 169,874,913,750.61/474,363.45
  6. Step 6: Final answer
    x = 358,111.30

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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.