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Finding the Fourth Proportional to 624,747.39, 862,151.81 and 338,267.67

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Solution

The fourth proportional to 624,747.39, 862,151.81 and 338,267.67 is: 466,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,747.39 : 862,151.81 = 338,267.67 : x
  2. Step 2: Convert to fraction form
    624,747.39/862,151.81 = 338,267.67/x
  3. Step 3: Cross multiply
    624,747.39x = 862,151.81 × 338,267.67
  4. Step 4: Simplify right side
    624,747.39x = 291,638,082,263.64
  5. Step 5: Solve for x
    x = 291,638,082,263.64/624,747.39
  6. Step 6: Final answer
    x = 466,809.60

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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.