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Finding the Fourth Proportional to 471,330.13, 650,430.10 and 256,466.49

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Solution

The fourth proportional to 471,330.13, 650,430.10 and 256,466.49 is: 353,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,330.13 : 650,430.10 = 256,466.49 : x
  2. Step 2: Convert to fraction form
    471,330.13/650,430.10 = 256,466.49/x
  3. Step 3: Cross multiply
    471,330.13x = 650,430.10 × 256,466.49
  4. Step 4: Simplify right side
    471,330.13x = 166,813,524,737.35
  5. Step 5: Solve for x
    x = 166,813,524,737.35/471,330.13
  6. Step 6: Final answer
    x = 353,920.77

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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.