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Finding the Fourth Proportional to 415,031.04, 622,544.40 and 264,898.08

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Solution

The fourth proportional to 415,031.04, 622,544.40 and 264,898.08 is: 397,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,031.04 : 622,544.40 = 264,898.08 : x
  2. Step 2: Convert to fraction form
    415,031.04/622,544.40 = 264,898.08/x
  3. Step 3: Cross multiply
    415,031.04x = 622,544.40 × 264,898.08
  4. Step 4: Simplify right side
    415,031.04x = 164,910,816,274.75
  5. Step 5: Solve for x
    x = 164,910,816,274.75/415,031.04
  6. Step 6: Final answer
    x = 397,345.74

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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.