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Finding the Fourth Proportional to 483,212.40, 724,818.60 and 452,108.40

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Solution

The fourth proportional to 483,212.40, 724,818.60 and 452,108.40 is: 678,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,212.40 : 724,818.60 = 452,108.40 : x
  2. Step 2: Convert to fraction form
    483,212.40/724,818.60 = 452,108.40/x
  3. Step 3: Cross multiply
    483,212.40x = 724,818.60 × 452,108.40
  4. Step 4: Simplify right side
    483,212.40x = 327,696,577,536.24
  5. Step 5: Solve for x
    x = 327,696,577,536.24/483,212.40
  6. Step 6: Final answer
    x = 678,162.60

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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.