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Finding the Fourth Proportional to 616,292.25, 850,522.86 and 344,360.94

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Solution

The fourth proportional to 616,292.25, 850,522.86 and 344,360.94 is: 475,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,292.25 : 850,522.86 = 344,360.94 : x
  2. Step 2: Convert to fraction form
    616,292.25/850,522.86 = 344,360.94/x
  3. Step 3: Cross multiply
    616,292.25x = 850,522.86 × 344,360.94
  4. Step 4: Simplify right side
    616,292.25x = 292,886,851,561.09
  5. Step 5: Solve for x
    x = 292,886,851,561.09/616,292.25
  6. Step 6: Final answer
    x = 475,240.20

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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.