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Finding the Fourth Proportional to 551,558.36, 761,183.03 and 415,352.00

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Solution

The fourth proportional to 551,558.36, 761,183.03 and 415,352.00 is: 573,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,558.36 : 761,183.03 = 415,352.00 : x
  2. Step 2: Convert to fraction form
    551,558.36/761,183.03 = 415,352.00/x
  3. Step 3: Cross multiply
    551,558.36x = 761,183.03 × 415,352.00
  4. Step 4: Simplify right side
    551,558.36x = 316,158,896,817.90
  5. Step 5: Solve for x
    x = 316,158,896,817.90/551,558.36
  6. Step 6: Final answer
    x = 573,210.23

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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.