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Finding the Fourth Proportional to 534,057.66, 801,640.07 and 357,796.40

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Solution

The fourth proportional to 534,057.66, 801,640.07 and 357,796.40 is: 537,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,057.66 : 801,640.07 = 357,796.40 : x
  2. Step 2: Convert to fraction form
    534,057.66/801,640.07 = 357,796.40/x
  3. Step 3: Cross multiply
    534,057.66x = 801,640.07 × 357,796.40
  4. Step 4: Simplify right side
    534,057.66x = 286,823,925,344.57
  5. Step 5: Solve for x
    x = 286,823,925,344.57/534,057.66
  6. Step 6: Final answer
    x = 537,065.46

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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.