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Finding the Fourth Proportional to 536,893.80, 740,913.92 and 295,180.48

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Solution

The fourth proportional to 536,893.80, 740,913.92 and 295,180.48 is: 407,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.80 : 740,913.92 = 295,180.48 : x
  2. Step 2: Convert to fraction form
    536,893.80/740,913.92 = 295,180.48/x
  3. Step 3: Cross multiply
    536,893.80x = 740,913.92 × 295,180.48
  4. Step 4: Simplify right side
    536,893.80x = 218,703,326,544.28
  5. Step 5: Solve for x
    x = 218,703,326,544.28/536,893.80
  6. Step 6: Final answer
    x = 407,349.32

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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.