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Finding the Fourth Proportional to 524,180.77, 786,272.21 and 145,102.59

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Solution

The fourth proportional to 524,180.77, 786,272.21 and 145,102.59 is: 217,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,180.77 : 786,272.21 = 145,102.59 : x
  2. Step 2: Convert to fraction form
    524,180.77/786,272.21 = 145,102.59/x
  3. Step 3: Cross multiply
    524,180.77x = 786,272.21 × 145,102.59
  4. Step 4: Simplify right side
    524,180.77x = 114,090,134,750.85
  5. Step 5: Solve for x
    x = 114,090,134,750.85/524,180.77
  6. Step 6: Final answer
    x = 217,654.18

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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.