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Finding the Fourth Proportional to 352,443.42, 528,497.46 and 127,760.76

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Solution

The fourth proportional to 352,443.42, 528,497.46 and 127,760.76 is: 191,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,443.42 : 528,497.46 = 127,760.76 : x
  2. Step 2: Convert to fraction form
    352,443.42/528,497.46 = 127,760.76/x
  3. Step 3: Cross multiply
    352,443.42x = 528,497.46 × 127,760.76
  4. Step 4: Simplify right side
    352,443.42x = 67,521,237,147.67
  5. Step 5: Solve for x
    x = 67,521,237,147.67/352,443.42
  6. Step 6: Final answer
    x = 191,580.36

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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.