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Finding the Fourth Proportional to 515,175.78, 710,324.73 and 333,821.52

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Solution

The fourth proportional to 515,175.78, 710,324.73 and 333,821.52 is: 460,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,175.78 : 710,324.73 = 333,821.52 : x
  2. Step 2: Convert to fraction form
    515,175.78/710,324.73 = 333,821.52/x
  3. Step 3: Cross multiply
    515,175.78x = 710,324.73 × 333,821.52
  4. Step 4: Simplify right side
    515,175.78x = 237,121,681,062.19
  5. Step 5: Solve for x
    x = 237,121,681,062.19/515,175.78
  6. Step 6: Final answer
    x = 460,273.35

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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.