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Finding the Fourth Proportional to 499,333.48, 688,991.63 and 295,393.00

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Solution

The fourth proportional to 499,333.48, 688,991.63 and 295,393.00 is: 407,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,333.48 : 688,991.63 = 295,393.00 : x
  2. Step 2: Convert to fraction form
    499,333.48/688,991.63 = 295,393.00/x
  3. Step 3: Cross multiply
    499,333.48x = 688,991.63 × 295,393.00
  4. Step 4: Simplify right side
    499,333.48x = 203,523,302,468.87
  5. Step 5: Solve for x
    x = 203,523,302,468.87/499,333.48
  6. Step 6: Final answer
    x = 407,589.94

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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.