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Finding the Fourth Proportional to 834,772.96, 1,151,978.52 and 452,794.24

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Solution

The fourth proportional to 834,772.96, 1,151,978.52 and 452,794.24 is: 624,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,772.96 : 1,151,978.52 = 452,794.24 : x
  2. Step 2: Convert to fraction form
    834,772.96/1,151,978.52 = 452,794.24/x
  3. Step 3: Cross multiply
    834,772.96x = 1,151,978.52 × 452,794.24
  4. Step 4: Simplify right side
    834,772.96x = 521,609,238,459.73
  5. Step 5: Solve for x
    x = 521,609,238,459.73/834,772.96
  6. Step 6: Final answer
    x = 624,851.62

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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.