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Finding the Fourth Proportional to 543,593.78, 750,182.06 and 301,878.34

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Solution

The fourth proportional to 543,593.78, 750,182.06 and 301,878.34 is: 416,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,593.78 : 750,182.06 = 301,878.34 : x
  2. Step 2: Convert to fraction form
    543,593.78/750,182.06 = 301,878.34/x
  3. Step 3: Cross multiply
    543,593.78x = 750,182.06 × 301,878.34
  4. Step 4: Simplify right side
    543,593.78x = 226,463,714,970.58
  5. Step 5: Solve for x
    x = 226,463,714,970.58/543,593.78
  6. Step 6: Final answer
    x = 416,604.68

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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.