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Finding the Fourth Proportional to 472,303.80, 708,455.70 and 444,747.60

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Solution

The fourth proportional to 472,303.80, 708,455.70 and 444,747.60 is: 667,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,303.80 : 708,455.70 = 444,747.60 : x
  2. Step 2: Convert to fraction form
    472,303.80/708,455.70 = 444,747.60/x
  3. Step 3: Cross multiply
    472,303.80x = 708,455.70 × 444,747.60
  4. Step 4: Simplify right side
    472,303.80x = 315,083,972,281.32
  5. Step 5: Solve for x
    x = 315,083,972,281.32/472,303.80
  6. Step 6: Final answer
    x = 667,121.40

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Similar ratio
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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.