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Finding the Fourth Proportional to 533,126.04, 735,715.41 and 318,261.49

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Solution

The fourth proportional to 533,126.04, 735,715.41 and 318,261.49 is: 439,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,126.04 : 735,715.41 = 318,261.49 : x
  2. Step 2: Convert to fraction form
    533,126.04/735,715.41 = 318,261.49/x
  3. Step 3: Cross multiply
    533,126.04x = 735,715.41 × 318,261.49
  4. Step 4: Simplify right side
    533,126.04x = 234,149,879,569.79
  5. Step 5: Solve for x
    x = 234,149,879,569.79/533,126.04
  6. Step 6: Final answer
    x = 439,201.73

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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.