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Finding the Fourth Proportional to 545,084.70, 817,763.34 and 536,043.66

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Solution

The fourth proportional to 545,084.70, 817,763.34 and 536,043.66 is: 804,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,084.70 : 817,763.34 = 536,043.66 : x
  2. Step 2: Convert to fraction form
    545,084.70/817,763.34 = 536,043.66/x
  3. Step 3: Cross multiply
    545,084.70x = 817,763.34 × 536,043.66
  4. Step 4: Simplify right side
    545,084.70x = 438,356,853,787.42
  5. Step 5: Solve for x
    x = 438,356,853,787.42/545,084.70
  6. Step 6: Final answer
    x = 804,199.52

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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.