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Finding the Fourth Proportional to 566,008.60, 781,530.48 and 434,978.80

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Solution

The fourth proportional to 566,008.60, 781,530.48 and 434,978.80 is: 600,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,008.60 : 781,530.48 = 434,978.80 : x
  2. Step 2: Convert to fraction form
    566,008.60/781,530.48 = 434,978.80/x
  3. Step 3: Cross multiply
    566,008.60x = 781,530.48 × 434,978.80
  4. Step 4: Simplify right side
    566,008.60x = 339,949,190,353.82
  5. Step 5: Solve for x
    x = 339,949,190,353.82/566,008.60
  6. Step 6: Final answer
    x = 600,607.82

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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.