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Finding the Fourth Proportional to 483,461.52, 724,987.25 and 230,449.32

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Solution

The fourth proportional to 483,461.52, 724,987.25 and 230,449.32 is: 345,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,461.52 : 724,987.25 = 230,449.32 : x
  2. Step 2: Convert to fraction form
    483,461.52/724,987.25 = 230,449.32/x
  3. Step 3: Cross multiply
    483,461.52x = 724,987.25 × 230,449.32
  4. Step 4: Simplify right side
    483,461.52x = 167,072,818,771.17
  5. Step 5: Solve for x
    x = 167,072,818,771.17/483,461.52
  6. Step 6: Final answer
    x = 345,576.25

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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.