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Finding the Fourth Proportional to 446,175.60, 669,263.40 and 425,439.60

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Solution

The fourth proportional to 446,175.60, 669,263.40 and 425,439.60 is: 638,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,175.60 : 669,263.40 = 425,439.60 : x
  2. Step 2: Convert to fraction form
    446,175.60/669,263.40 = 425,439.60/x
  3. Step 3: Cross multiply
    446,175.60x = 669,263.40 × 425,439.60
  4. Step 4: Simplify right side
    446,175.60x = 284,731,153,190.64
  5. Step 5: Solve for x
    x = 284,731,153,190.64/446,175.60
  6. Step 6: Final answer
    x = 638,159.40

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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.