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Finding the Fourth Proportional to 560,813.48, 773,921.86 and 359,609

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Solution

The fourth proportional to 560,813.48, 773,921.86 and 359,609 is: 496,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,813.48 : 773,921.86 = 359,609 : x
  2. Step 2: Convert to fraction form
    560,813.48/773,921.86 = 359,609/x
  3. Step 3: Cross multiply
    560,813.48x = 773,921.86 × 359,609
  4. Step 4: Simplify right side
    560,813.48x = 278,309,266,152.74
  5. Step 5: Solve for x
    x = 278,309,266,152.74/560,813.48
  6. Step 6: Final answer
    x = 496,259.94

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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.