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Finding the Fourth Proportional to 616,608.48, 850,810.80 and 344,589.44

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Solution

The fourth proportional to 616,608.48, 850,810.80 and 344,589.44 is: 475,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,608.48 : 850,810.80 = 344,589.44 : x
  2. Step 2: Convert to fraction form
    616,608.48/850,810.80 = 344,589.44/x
  3. Step 3: Cross multiply
    616,608.48x = 850,810.80 × 344,589.44
  4. Step 4: Simplify right side
    616,608.48x = 293,180,417,117.95
  5. Step 5: Solve for x
    x = 293,180,417,117.95/616,608.48
  6. Step 6: Final answer
    x = 475,472.57

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1.5x scale

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.