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Finding the Fourth Proportional to 536,447.57, 740,302.65 and 294,735.15

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Solution

The fourth proportional to 536,447.57, 740,302.65 and 294,735.15 is: 406,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.57 : 740,302.65 = 294,735.15 : x
  2. Step 2: Convert to fraction form
    536,447.57/740,302.65 = 294,735.15/x
  3. Step 3: Cross multiply
    536,447.57x = 740,302.65 × 294,735.15
  4. Step 4: Simplify right side
    536,447.57x = 218,193,212,593.15
  5. Step 5: Solve for x
    x = 218,193,212,593.15/536,447.57
  6. Step 6: Final answer
    x = 406,737.26

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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.