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Finding the Fourth Proportional to 448,480.17, 672,574.05 and 148,880.34

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Solution

The fourth proportional to 448,480.17, 672,574.05 and 148,880.34 is: 223,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.17 : 672,574.05 = 148,880.34 : x
  2. Step 2: Convert to fraction form
    448,480.17/672,574.05 = 148,880.34/x
  3. Step 3: Cross multiply
    448,480.17x = 672,574.05 × 148,880.34
  4. Step 4: Simplify right side
    448,480.17x = 100,133,053,239.18
  5. Step 5: Solve for x
    x = 100,133,053,239.18/448,480.17
  6. Step 6: Final answer
    x = 223,271.97

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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.