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Finding the Fourth Proportional to 460,431.85, 635,311.63 and 256,477.70

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Solution

The fourth proportional to 460,431.85, 635,311.63 and 256,477.70 is: 353,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,431.85 : 635,311.63 = 256,477.70 : x
  2. Step 2: Convert to fraction form
    460,431.85/635,311.63 = 256,477.70/x
  3. Step 3: Cross multiply
    460,431.85x = 635,311.63 × 256,477.70
  4. Step 4: Simplify right side
    460,431.85x = 162,943,262,789.69
  5. Step 5: Solve for x
    x = 162,943,262,789.69/460,431.85
  6. Step 6: Final answer
    x = 353,892.25

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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.