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Finding the Fourth Proportional to 460,117.80, 635,494.32 and 306,889.92

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Solution

The fourth proportional to 460,117.80, 635,494.32 and 306,889.92 is: 423,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,117.80 : 635,494.32 = 306,889.92 : x
  2. Step 2: Convert to fraction form
    460,117.80/635,494.32 = 306,889.92/x
  3. Step 3: Cross multiply
    460,117.80x = 635,494.32 × 306,889.92
  4. Step 4: Simplify right side
    460,117.80x = 195,026,801,025.25
  5. Step 5: Solve for x
    x = 195,026,801,025.25/460,117.80
  6. Step 6: Final answer
    x = 423,862.76

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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.