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Finding the Fourth Proportional to 357,049.26, 535,571.58 and 90,807.48

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Solution

The fourth proportional to 357,049.26, 535,571.58 and 90,807.48 is: 136,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,049.26 : 535,571.58 = 90,807.48 : x
  2. Step 2: Convert to fraction form
    357,049.26/535,571.58 = 90,807.48/x
  3. Step 3: Cross multiply
    357,049.26x = 535,571.58 × 90,807.48
  4. Step 4: Simplify right side
    357,049.26x = 48,633,905,539.42
  5. Step 5: Solve for x
    x = 48,633,905,539.42/357,049.26
  6. Step 6: Final answer
    x = 136,210.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.