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Finding the Fourth Proportional to 416,371.84, 574,559.67 and 235,127.86

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Solution

The fourth proportional to 416,371.84, 574,559.67 and 235,127.86 is: 324,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,371.84 : 574,559.67 = 235,127.86 : x
  2. Step 2: Convert to fraction form
    416,371.84/574,559.67 = 235,127.86/x
  3. Step 3: Cross multiply
    416,371.84x = 574,559.67 × 235,127.86
  4. Step 4: Simplify right side
    416,371.84x = 135,094,985,649.41
  5. Step 5: Solve for x
    x = 135,094,985,649.41/416,371.84
  6. Step 6: Final answer
    x = 324,457.55

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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.