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Finding the Fourth Proportional to 435,991.68, 601,649.16 and 254,720.40

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Solution

The fourth proportional to 435,991.68, 601,649.16 and 254,720.40 is: 351,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,991.68 : 601,649.16 = 254,720.40 : x
  2. Step 2: Convert to fraction form
    435,991.68/601,649.16 = 254,720.40/x
  3. Step 3: Cross multiply
    435,991.68x = 601,649.16 × 254,720.40
  4. Step 4: Simplify right side
    435,991.68x = 153,252,314,694.86
  5. Step 5: Solve for x
    x = 153,252,314,694.86/435,991.68
  6. Step 6: Final answer
    x = 351,502.84

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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.