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Finding the Fourth Proportional to 608,548.60, 911,073.30 and 538,564.60

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Solution

The fourth proportional to 608,548.60, 911,073.30 and 538,564.60 is: 806,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,548.60 : 911,073.30 = 538,564.60 : x
  2. Step 2: Convert to fraction form
    608,548.60/911,073.30 = 538,564.60/x
  3. Step 3: Cross multiply
    608,548.60x = 911,073.30 × 538,564.60
  4. Step 4: Simplify right side
    608,548.60x = 490,671,827,385.18
  5. Step 5: Solve for x
    x = 490,671,827,385.18/608,548.60
  6. Step 6: Final answer
    x = 806,298.51

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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.