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Finding the Fourth Proportional to 581,627.61, 802,318.50 and 348,994.37

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Solution

The fourth proportional to 581,627.61, 802,318.50 and 348,994.37 is: 481,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,627.61 : 802,318.50 = 348,994.37 : x
  2. Step 2: Convert to fraction form
    581,627.61/802,318.50 = 348,994.37/x
  3. Step 3: Cross multiply
    581,627.61x = 802,318.50 × 348,994.37
  4. Step 4: Simplify right side
    581,627.61x = 280,004,641,452.64
  5. Step 5: Solve for x
    x = 280,004,641,452.64/581,627.61
  6. Step 6: Final answer
    x = 481,415.66

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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.