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Finding the Fourth Proportional to 299,699.68, 449,400.80 and 110,152.40

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Solution

The fourth proportional to 299,699.68, 449,400.80 and 110,152.40 is: 165,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,699.68 : 449,400.80 = 110,152.40 : x
  2. Step 2: Convert to fraction form
    299,699.68/449,400.80 = 110,152.40/x
  3. Step 3: Cross multiply
    299,699.68x = 449,400.80 × 110,152.40
  4. Step 4: Simplify right side
    299,699.68x = 49,502,576,681.92
  5. Step 5: Solve for x
    x = 49,502,576,681.92/299,699.68
  6. Step 6: Final answer
    x = 165,173.94

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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.