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Finding the Fourth Proportional to 577,084.62, 796,417.98 and 318,956.04

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Solution

The fourth proportional to 577,084.62, 796,417.98 and 318,956.04 is: 440,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,084.62 : 796,417.98 = 318,956.04 : x
  2. Step 2: Convert to fraction form
    577,084.62/796,417.98 = 318,956.04/x
  3. Step 3: Cross multiply
    577,084.62x = 796,417.98 × 318,956.04
  4. Step 4: Simplify right side
    577,084.62x = 254,022,325,085.60
  5. Step 5: Solve for x
    x = 254,022,325,085.60/577,084.62
  6. Step 6: Final answer
    x = 440,182.11

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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.