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Finding the Fourth Proportional to 557,094.80, 769,010.28 and 375,914

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Solution

The fourth proportional to 557,094.80, 769,010.28 and 375,914 is: 518,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,094.80 : 769,010.28 = 375,914 : x
  2. Step 2: Convert to fraction form
    557,094.80/769,010.28 = 375,914/x
  3. Step 3: Cross multiply
    557,094.80x = 769,010.28 × 375,914
  4. Step 4: Simplify right side
    557,094.80x = 289,081,730,395.92
  5. Step 5: Solve for x
    x = 289,081,730,395.92/557,094.80
  6. Step 6: Final answer
    x = 518,909.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.