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Finding the Fourth Proportional to 608,625.60, 910,864.80 and 608,625.60

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Solution

The fourth proportional to 608,625.60, 910,864.80 and 608,625.60 is: 910,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,625.60 : 910,864.80 = 608,625.60 : x
  2. Step 2: Convert to fraction form
    608,625.60/910,864.80 = 608,625.60/x
  3. Step 3: Cross multiply
    608,625.60x = 910,864.80 × 608,625.60
  4. Step 4: Simplify right side
    608,625.60x = 554,375,635,418.88
  5. Step 5: Solve for x
    x = 554,375,635,418.88/608,625.60
  6. Step 6: Final answer
    x = 910,864.80

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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.