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Finding the Fourth Proportional to 650,203.20, 975,304.80 and 437,626.80

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Solution

The fourth proportional to 650,203.20, 975,304.80 and 437,626.80 is: 656,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,203.20 : 975,304.80 = 437,626.80 : x
  2. Step 2: Convert to fraction form
    650,203.20/975,304.80 = 437,626.80/x
  3. Step 3: Cross multiply
    650,203.20x = 975,304.80 × 437,626.80
  4. Step 4: Simplify right side
    650,203.20x = 426,819,518,648.64
  5. Step 5: Solve for x
    x = 426,819,518,648.64/650,203.20
  6. Step 6: Final answer
    x = 656,440.20

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Double scale
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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.