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Finding the Fourth Proportional to 581,976.80, 872,710.69 and 293,611.01

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Solution

The fourth proportional to 581,976.80, 872,710.69 and 293,611.01 is: 440,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,976.80 : 872,710.69 = 293,611.01 : x
  2. Step 2: Convert to fraction form
    581,976.80/872,710.69 = 293,611.01/x
  3. Step 3: Cross multiply
    581,976.80x = 872,710.69 × 293,611.01
  4. Step 4: Simplify right side
    581,976.80x = 256,237,471,032.00
  5. Step 5: Solve for x
    x = 256,237,471,032.00/581,976.80
  6. Step 6: Final answer
    x = 440,288.12

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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.