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Finding the Fourth Proportional to 425,105.60, 586,710.24 and 322,963.52

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Solution

The fourth proportional to 425,105.60, 586,710.24 and 322,963.52 is: 445,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,105.60 : 586,710.24 = 322,963.52 : x
  2. Step 2: Convert to fraction form
    425,105.60/586,710.24 = 322,963.52/x
  3. Step 3: Cross multiply
    425,105.60x = 586,710.24 × 322,963.52
  4. Step 4: Simplify right side
    425,105.60x = 189,486,004,330.45
  5. Step 5: Solve for x
    x = 189,486,004,330.45/425,105.60
  6. Step 6: Final answer
    x = 445,738.67

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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.