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Finding the Fourth Proportional to 533,689.16, 800,533.66 and 253,053.32

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Solution

The fourth proportional to 533,689.16, 800,533.66 and 253,053.32 is: 379,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,689.16 : 800,533.66 = 253,053.32 : x
  2. Step 2: Convert to fraction form
    533,689.16/800,533.66 = 253,053.32/x
  3. Step 3: Cross multiply
    533,689.16x = 800,533.66 × 253,053.32
  4. Step 4: Simplify right side
    533,689.16x = 202,577,700,434.75
  5. Step 5: Solve for x
    x = 202,577,700,434.75/533,689.16
  6. Step 6: Final answer
    x = 379,579.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.