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Finding the Fourth Proportional to 576,936.83, 796,220.76 and 318,864.16

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Solution

The fourth proportional to 576,936.83, 796,220.76 and 318,864.16 is: 440,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,936.83 : 796,220.76 = 318,864.16 : x
  2. Step 2: Convert to fraction form
    576,936.83/796,220.76 = 318,864.16/x
  3. Step 3: Cross multiply
    576,936.83x = 796,220.76 × 318,864.16
  4. Step 4: Simplify right side
    576,936.83x = 253,886,266,001.67
  5. Step 5: Solve for x
    x = 253,886,266,001.67/576,936.83
  6. Step 6: Final answer
    x = 440,059.04

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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.