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Finding the Fourth Proportional to 543,783.83, 750,119.32 and 505,296.01

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Solution

The fourth proportional to 543,783.83, 750,119.32 and 505,296.01 is: 697,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,783.83 : 750,119.32 = 505,296.01 : x
  2. Step 2: Convert to fraction form
    543,783.83/750,119.32 = 505,296.01/x
  3. Step 3: Cross multiply
    543,783.83x = 750,119.32 × 505,296.01
  4. Step 4: Simplify right side
    543,783.83x = 379,032,299,419.91
  5. Step 5: Solve for x
    x = 379,032,299,419.91/543,783.83
  6. Step 6: Final answer
    x = 697,027.53

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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.