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Finding the Fourth Proportional to 534,005.70, 746,208.30 and 534,005.70

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Solution

The fourth proportional to 534,005.70, 746,208.30 and 534,005.70 is: 746,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,005.70 : 746,208.30 = 534,005.70 : x
  2. Step 2: Convert to fraction form
    534,005.70/746,208.30 = 534,005.70/x
  3. Step 3: Cross multiply
    534,005.70x = 746,208.30 × 534,005.70
  4. Step 4: Simplify right side
    534,005.70x = 398,479,485,587.31
  5. Step 5: Solve for x
    x = 398,479,485,587.31/534,005.70
  6. Step 6: Final answer
    x = 746,208.30

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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.