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Finding the Fourth Proportional to 483,254.40, 724,881.60 and 283,670.40

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Solution

The fourth proportional to 483,254.40, 724,881.60 and 283,670.40 is: 425,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,254.40 : 724,881.60 = 283,670.40 : x
  2. Step 2: Convert to fraction form
    483,254.40/724,881.60 = 283,670.40/x
  3. Step 3: Cross multiply
    483,254.40x = 724,881.60 × 283,670.40
  4. Step 4: Simplify right side
    483,254.40x = 205,627,453,424.64
  5. Step 5: Solve for x
    x = 205,627,453,424.64/483,254.40
  6. Step 6: Final answer
    x = 425,505.60

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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.