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Finding the Fourth Proportional to 448,043.40, 672,050.70 and 148,537.80

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Solution

The fourth proportional to 448,043.40, 672,050.70 and 148,537.80 is: 222,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,043.40 : 672,050.70 = 148,537.80 : x
  2. Step 2: Convert to fraction form
    448,043.40/672,050.70 = 148,537.80/x
  3. Step 3: Cross multiply
    448,043.40x = 672,050.70 × 148,537.80
  4. Step 4: Simplify right side
    448,043.40x = 99,824,932,466.46
  5. Step 5: Solve for x
    x = 99,824,932,466.46/448,043.40
  6. Step 6: Final answer
    x = 222,801.93

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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.