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Finding the Fourth Proportional to 453,798.40, 680,778.64 and 154,263.24

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Solution

The fourth proportional to 453,798.40, 680,778.64 and 154,263.24 is: 231,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,798.40 : 680,778.64 = 154,263.24 : x
  2. Step 2: Convert to fraction form
    453,798.40/680,778.64 = 154,263.24/x
  3. Step 3: Cross multiply
    453,798.40x = 680,778.64 × 154,263.24
  4. Step 4: Simplify right side
    453,798.40x = 105,019,118,729.19
  5. Step 5: Solve for x
    x = 105,019,118,729.19/453,798.40
  6. Step 6: Final answer
    x = 231,422.41

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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.