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Finding the Fourth Proportional to 448,602.91, 672,971.69 and 144,895.64

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Solution

The fourth proportional to 448,602.91, 672,971.69 and 144,895.64 is: 217,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,602.91 : 672,971.69 = 144,895.64 : x
  2. Step 2: Convert to fraction form
    448,602.91/672,971.69 = 144,895.64/x
  3. Step 3: Cross multiply
    448,602.91x = 672,971.69 × 144,895.64
  4. Step 4: Simplify right side
    448,602.91x = 97,510,660,721.81
  5. Step 5: Solve for x
    x = 97,510,660,721.81/448,602.91
  6. Step 6: Final answer
    x = 217,365.20

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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.