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Finding the Fourth Proportional to 581,622.69, 872,573.37 and 281,753.01

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Solution

The fourth proportional to 581,622.69, 872,573.37 and 281,753.01 is: 422,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,622.69 : 872,573.37 = 281,753.01 : x
  2. Step 2: Convert to fraction form
    581,622.69/872,573.37 = 281,753.01/x
  3. Step 3: Cross multiply
    581,622.69x = 872,573.37 × 281,753.01
  4. Step 4: Simplify right side
    581,622.69x = 245,850,173,443.34
  5. Step 5: Solve for x
    x = 245,850,173,443.34/581,622.69
  6. Step 6: Final answer
    x = 422,697.01

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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.