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Finding the Fourth Proportional to 589,327.20, 883,990.80 and 524,008.80

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Solution

The fourth proportional to 589,327.20, 883,990.80 and 524,008.80 is: 786,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,327.20 : 883,990.80 = 524,008.80 : x
  2. Step 2: Convert to fraction form
    589,327.20/883,990.80 = 524,008.80/x
  3. Step 3: Cross multiply
    589,327.20x = 883,990.80 × 524,008.80
  4. Step 4: Simplify right side
    589,327.20x = 463,218,958,319.04
  5. Step 5: Solve for x
    x = 463,218,958,319.04/589,327.20
  6. Step 6: Final answer
    x = 786,013.20

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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.