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Finding the Fourth Proportional to 616,684.37, 851,030.78 and 344,767.37

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Solution

The fourth proportional to 616,684.37, 851,030.78 and 344,767.37 is: 475,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,684.37 : 851,030.78 = 344,767.37 : x
  2. Step 2: Convert to fraction form
    616,684.37/851,030.78 = 344,767.37/x
  3. Step 3: Cross multiply
    616,684.37x = 851,030.78 × 344,767.37
  4. Step 4: Simplify right side
    616,684.37x = 293,407,637,830.66
  5. Step 5: Solve for x
    x = 293,407,637,830.66/616,684.37
  6. Step 6: Final answer
    x = 475,782.51

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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.