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Finding the Fourth Proportional to 537,253.02, 805,883.18 and 255,917.34

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Solution

The fourth proportional to 537,253.02, 805,883.18 and 255,917.34 is: 383,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,253.02 : 805,883.18 = 255,917.34 : x
  2. Step 2: Convert to fraction form
    537,253.02/805,883.18 = 255,917.34/x
  3. Step 3: Cross multiply
    537,253.02x = 805,883.18 × 255,917.34
  4. Step 4: Simplify right side
    537,253.02x = 206,239,478,496.76
  5. Step 5: Solve for x
    x = 206,239,478,496.76/537,253.02
  6. Step 6: Final answer
    x = 383,877.75

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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.