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Finding the Fourth Proportional to 557,041.40, 835,562.10 and 496,388.60

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Solution

The fourth proportional to 557,041.40, 835,562.10 and 496,388.60 is: 744,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,041.40 : 835,562.10 = 496,388.60 : x
  2. Step 2: Convert to fraction form
    557,041.40/835,562.10 = 496,388.60/x
  3. Step 3: Cross multiply
    557,041.40x = 835,562.10 × 496,388.60
  4. Step 4: Simplify right side
    557,041.40x = 414,763,501,032.06
  5. Step 5: Solve for x
    x = 414,763,501,032.06/557,041.40
  6. Step 6: Final answer
    x = 744,582.90

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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.