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Finding the Fourth Proportional to 576,039.40, 864,059.10 and 576,039.40

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Solution

The fourth proportional to 576,039.40, 864,059.10 and 576,039.40 is: 864,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,039.40 : 864,059.10 = 576,039.40 : x
  2. Step 2: Convert to fraction form
    576,039.40/864,059.10 = 576,039.40/x
  3. Step 3: Cross multiply
    576,039.40x = 864,059.10 × 576,039.40
  4. Step 4: Simplify right side
    576,039.40x = 497,732,085,528.54
  5. Step 5: Solve for x
    x = 497,732,085,528.54/576,039.40
  6. Step 6: Final answer
    x = 864,059.10

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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.