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Finding the Fourth Proportional to 659,489.02, 910,094.86 and 373,002.96

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Solution

The fourth proportional to 659,489.02, 910,094.86 and 373,002.96 is: 514,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,489.02 : 910,094.86 = 373,002.96 : x
  2. Step 2: Convert to fraction form
    659,489.02/910,094.86 = 373,002.96/x
  3. Step 3: Cross multiply
    659,489.02x = 910,094.86 × 373,002.96
  4. Step 4: Simplify right side
    659,489.02x = 339,468,076,660.79
  5. Step 5: Solve for x
    x = 339,468,076,660.79/659,489.02
  6. Step 6: Final answer
    x = 514,744.09

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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.