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Finding the Fourth Proportional to 460,433.53, 635,427.48 and 279,162.82

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Solution

The fourth proportional to 460,433.53, 635,427.48 and 279,162.82 is: 385,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,433.53 : 635,427.48 = 279,162.82 : x
  2. Step 2: Convert to fraction form
    460,433.53/635,427.48 = 279,162.82/x
  3. Step 3: Cross multiply
    460,433.53x = 635,427.48 × 279,162.82
  4. Step 4: Simplify right side
    460,433.53x = 177,387,727,222.29
  5. Step 5: Solve for x
    x = 177,387,727,222.29/460,433.53
  6. Step 6: Final answer
    x = 385,262.40

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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.