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Finding the Fourth Proportional to 536,805.40, 740,793.84 and 295,103.54

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Solution

The fourth proportional to 536,805.40, 740,793.84 and 295,103.54 is: 407,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,805.40 : 740,793.84 = 295,103.54 : x
  2. Step 2: Convert to fraction form
    536,805.40/740,793.84 = 295,103.54/x
  3. Step 3: Cross multiply
    536,805.40x = 740,793.84 × 295,103.54
  4. Step 4: Simplify right side
    536,805.40x = 218,610,884,594.19
  5. Step 5: Solve for x
    x = 218,610,884,594.19/536,805.40
  6. Step 6: Final answer
    x = 407,244.20

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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.