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Finding the Fourth Proportional to 483,606.40, 724,696.80 and 350,766.40

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Solution

The fourth proportional to 483,606.40, 724,696.80 and 350,766.40 is: 525,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,606.40 : 724,696.80 = 350,766.40 : x
  2. Step 2: Convert to fraction form
    483,606.40/724,696.80 = 350,766.40/x
  3. Step 3: Cross multiply
    483,606.40x = 724,696.80 × 350,766.40
  4. Step 4: Simplify right side
    483,606.40x = 254,199,287,627.52
  5. Step 5: Solve for x
    x = 254,199,287,627.52/483,606.40
  6. Step 6: Final answer
    x = 525,632.60

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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.