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Finding the Fourth Proportional to 453,607.72, 680,030.22 and 303,389.53

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Solution

The fourth proportional to 453,607.72, 680,030.22 and 303,389.53 is: 454,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,607.72 : 680,030.22 = 303,389.53 : x
  2. Step 2: Convert to fraction form
    453,607.72/680,030.22 = 303,389.53/x
  3. Step 3: Cross multiply
    453,607.72x = 680,030.22 × 303,389.53
  4. Step 4: Simplify right side
    453,607.72x = 206,314,048,831.60
  5. Step 5: Solve for x
    x = 206,314,048,831.60/453,607.72
  6. Step 6: Final answer
    x = 454,829.23

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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.