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Finding the Fourth Proportional to 524,311.18, 723,538.61 and 291,732.95

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Solution

The fourth proportional to 524,311.18, 723,538.61 and 291,732.95 is: 402,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,311.18 : 723,538.61 = 291,732.95 : x
  2. Step 2: Convert to fraction form
    524,311.18/723,538.61 = 291,732.95/x
  3. Step 3: Cross multiply
    524,311.18x = 723,538.61 × 291,732.95
  4. Step 4: Simplify right side
    524,311.18x = 211,080,056,826.60
  5. Step 5: Solve for x
    x = 211,080,056,826.60/524,311.18
  6. Step 6: Final answer
    x = 402,585.46

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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.