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Finding the Fourth Proportional to 298,232.05, 411,547.90 and 162,266.52

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Solution

The fourth proportional to 298,232.05, 411,547.90 and 162,266.52 is: 223,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,232.05 : 411,547.90 = 162,266.52 : x
  2. Step 2: Convert to fraction form
    298,232.05/411,547.90 = 162,266.52/x
  3. Step 3: Cross multiply
    298,232.05x = 411,547.90 × 162,266.52
  4. Step 4: Simplify right side
    298,232.05x = 66,780,446,531.82
  5. Step 5: Solve for x
    x = 66,780,446,531.82/298,232.05
  6. Step 6: Final answer
    x = 223,921.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.