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Finding the Fourth Proportional to 576,050.40, 864,205.20 and 339,271.20

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Solution

The fourth proportional to 576,050.40, 864,205.20 and 339,271.20 is: 508,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,050.40 : 864,205.20 = 339,271.20 : x
  2. Step 2: Convert to fraction form
    576,050.40/864,205.20 = 339,271.20/x
  3. Step 3: Cross multiply
    576,050.40x = 864,205.20 × 339,271.20
  4. Step 4: Simplify right side
    576,050.40x = 293,199,935,250.24
  5. Step 5: Solve for x
    x = 293,199,935,250.24/576,050.40
  6. Step 6: Final answer
    x = 508,983.13

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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.