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Finding the Fourth Proportional to 408,048.10, 571,733.90 and 408,048.10

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Solution

The fourth proportional to 408,048.10, 571,733.90 and 408,048.10 is: 571,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,048.10 : 571,733.90 = 408,048.10 : x
  2. Step 2: Convert to fraction form
    408,048.10/571,733.90 = 408,048.10/x
  3. Step 3: Cross multiply
    408,048.10x = 571,733.90 × 408,048.10
  4. Step 4: Simplify right side
    408,048.10x = 233,294,931,600.59
  5. Step 5: Solve for x
    x = 233,294,931,600.59/408,048.10
  6. Step 6: Final answer
    x = 571,733.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.