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Finding the Fourth Proportional to 577,369.60, 866,054.88 and 156,645.52

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Solution

The fourth proportional to 577,369.60, 866,054.88 and 156,645.52 is: 234,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369.60 : 866,054.88 = 156,645.52 : x
  2. Step 2: Convert to fraction form
    577,369.60/866,054.88 = 156,645.52/x
  3. Step 3: Cross multiply
    577,369.60x = 866,054.88 × 156,645.52
  4. Step 4: Simplify right side
    577,369.60x = 135,663,617,026.14
  5. Step 5: Solve for x
    x = 135,663,617,026.14/577,369.60
  6. Step 6: Final answer
    x = 234,968.41

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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.