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Finding the Fourth Proportional to 448,689.71, 672,837.54 and 168,010.13

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Solution

The fourth proportional to 448,689.71, 672,837.54 and 168,010.13 is: 251,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,689.71 : 672,837.54 = 168,010.13 : x
  2. Step 2: Convert to fraction form
    448,689.71/672,837.54 = 168,010.13/x
  3. Step 3: Cross multiply
    448,689.71x = 672,837.54 × 168,010.13
  4. Step 4: Simplify right side
    448,689.71x = 113,043,523,616.34
  5. Step 5: Solve for x
    x = 113,043,523,616.34/448,689.71
  6. Step 6: Final answer
    x = 251,941.42

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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.