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Finding the Fourth Proportional to 581,772.57, 802,451.47 and 377,458.47

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Solution

The fourth proportional to 581,772.57, 802,451.47 and 377,458.47 is: 520,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,772.57 : 802,451.47 = 377,458.47 : x
  2. Step 2: Convert to fraction form
    581,772.57/802,451.47 = 377,458.47/x
  3. Step 3: Cross multiply
    581,772.57x = 802,451.47 × 377,458.47
  4. Step 4: Simplify right side
    581,772.57x = 302,892,104,115.45
  5. Step 5: Solve for x
    x = 302,892,104,115.45/581,772.57
  6. Step 6: Final answer
    x = 520,636.62

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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.