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Finding the Fourth Proportional to 664,216.35, 994,848.30 and 664,216.35

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Solution

The fourth proportional to 664,216.35, 994,848.30 and 664,216.35 is: 994,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,216.35 : 994,848.30 = 664,216.35 : x
  2. Step 2: Convert to fraction form
    664,216.35/994,848.30 = 664,216.35/x
  3. Step 3: Cross multiply
    664,216.35x = 994,848.30 × 664,216.35
  4. Step 4: Simplify right side
    664,216.35x = 660,794,506,629.71
  5. Step 5: Solve for x
    x = 660,794,506,629.71/664,216.35
  6. Step 6: Final answer
    x = 994,848.30

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1.5x scale

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.