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Finding the Fourth Proportional to 574,750.40, 862,514.40 and 322,030.40

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Solution

The fourth proportional to 574,750.40, 862,514.40 and 322,030.40 is: 483,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,750.40 : 862,514.40 = 322,030.40 : x
  2. Step 2: Convert to fraction form
    574,750.40/862,514.40 = 322,030.40/x
  3. Step 3: Cross multiply
    574,750.40x = 862,514.40 × 322,030.40
  4. Step 4: Simplify right side
    574,750.40x = 277,755,857,237.76
  5. Step 5: Solve for x
    x = 277,755,857,237.76/574,750.40
  6. Step 6: Final answer
    x = 483,263.44

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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.