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Finding the Fourth Proportional to 522,068.85, 729,321.75 and 522,068.85

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Solution

The fourth proportional to 522,068.85, 729,321.75 and 522,068.85 is: 729,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,068.85 : 729,321.75 = 522,068.85 : x
  2. Step 2: Convert to fraction form
    522,068.85/729,321.75 = 522,068.85/x
  3. Step 3: Cross multiply
    522,068.85x = 729,321.75 × 522,068.85
  4. Step 4: Simplify right side
    522,068.85x = 380,756,167,302.49
  5. Step 5: Solve for x
    x = 380,756,167,302.49/522,068.85
  6. Step 6: Final answer
    x = 729,321.75

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1.5x scale

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.