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Finding the Fourth Proportional to 533,389.92, 735,731.26 and 342,100.32

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Solution

The fourth proportional to 533,389.92, 735,731.26 and 342,100.32 is: 471,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,389.92 : 735,731.26 = 342,100.32 : x
  2. Step 2: Convert to fraction form
    533,389.92/735,731.26 = 342,100.32/x
  3. Step 3: Cross multiply
    533,389.92x = 735,731.26 × 342,100.32
  4. Step 4: Simplify right side
    533,389.92x = 251,693,899,480.00
  5. Step 5: Solve for x
    x = 251,693,899,480.00/533,389.92
  6. Step 6: Final answer
    x = 471,876.00

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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.