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Finding the Fourth Proportional to 533,969.15, 801,507.29 and 357,707.88

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Solution

The fourth proportional to 533,969.15, 801,507.29 and 357,707.88 is: 536,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,969.15 : 801,507.29 = 357,707.88 : x
  2. Step 2: Convert to fraction form
    533,969.15/801,507.29 = 357,707.88/x
  3. Step 3: Cross multiply
    533,969.15x = 801,507.29 × 357,707.88
  4. Step 4: Simplify right side
    533,969.15x = 286,705,471,721.91
  5. Step 5: Solve for x
    x = 286,705,471,721.91/533,969.15
  6. Step 6: Final answer
    x = 536,932.66

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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.