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Finding the Fourth Proportional to 533,737.82, 736,485.45 and 318,832.26

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Solution

The fourth proportional to 533,737.82, 736,485.45 and 318,832.26 is: 439,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,737.82 : 736,485.45 = 318,832.26 : x
  2. Step 2: Convert to fraction form
    533,737.82/736,485.45 = 318,832.26/x
  3. Step 3: Cross multiply
    533,737.82x = 736,485.45 × 318,832.26
  4. Step 4: Simplify right side
    533,737.82x = 234,815,318,886.46
  5. Step 5: Solve for x
    x = 234,815,318,886.46/533,737.82
  6. Step 6: Final answer
    x = 439,945.07

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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.