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Finding the Fourth Proportional to 533,379.92, 735,717.46 and 342,090.32

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Solution

The fourth proportional to 533,379.92, 735,717.46 and 342,090.32 is: 471,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,379.92 : 735,717.46 = 342,090.32 : x
  2. Step 2: Convert to fraction form
    533,379.92/735,717.46 = 342,090.32/x
  3. Step 3: Cross multiply
    533,379.92x = 735,717.46 × 342,090.32
  4. Step 4: Simplify right side
    533,379.92x = 251,681,821,320.99
  5. Step 5: Solve for x
    x = 251,681,821,320.99/533,379.92
  6. Step 6: Final answer
    x = 471,862.20

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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.