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Finding the Fourth Proportional to 483,502.10, 724,256.44 and 283,215.27

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Solution

The fourth proportional to 483,502.10, 724,256.44 and 283,215.27 is: 424,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,502.10 : 724,256.44 = 283,215.27 : x
  2. Step 2: Convert to fraction form
    483,502.10/724,256.44 = 283,215.27/x
  3. Step 3: Cross multiply
    483,502.10x = 724,256.44 × 283,215.27
  4. Step 4: Simplify right side
    483,502.10x = 205,120,482,495.80
  5. Step 5: Solve for x
    x = 205,120,482,495.80/483,502.10
  6. Step 6: Final answer
    x = 424,239.07

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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.