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Finding the Fourth Proportional to 581,690.84, 873,002.88 and 301,288.28

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Solution

The fourth proportional to 581,690.84, 873,002.88 and 301,288.28 is: 452,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,690.84 : 873,002.88 = 301,288.28 : x
  2. Step 2: Convert to fraction form
    581,690.84/873,002.88 = 301,288.28/x
  3. Step 3: Cross multiply
    581,690.84x = 873,002.88 × 301,288.28
  4. Step 4: Simplify right side
    581,690.84x = 263,025,536,150.25
  5. Step 5: Solve for x
    x = 263,025,536,150.25/581,690.84
  6. Step 6: Final answer
    x = 452,174.11

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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.