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Finding the Fourth Proportional to 487,594.40, 731,391.60 and 444,048.80

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Solution

The fourth proportional to 487,594.40, 731,391.60 and 444,048.80 is: 666,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,594.40 : 731,391.60 = 444,048.80 : x
  2. Step 2: Convert to fraction form
    487,594.40/731,391.60 = 444,048.80/x
  3. Step 3: Cross multiply
    487,594.40x = 731,391.60 × 444,048.80
  4. Step 4: Simplify right side
    487,594.40x = 324,773,562,310.08
  5. Step 5: Solve for x
    x = 324,773,562,310.08/487,594.40
  6. Step 6: Final answer
    x = 666,073.20

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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.