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Finding the Fourth Proportional to 448,048.96, 672,089.84 and 148,555.71

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Solution

The fourth proportional to 448,048.96, 672,089.84 and 148,555.71 is: 222,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,048.96 : 672,089.84 = 148,555.71 : x
  2. Step 2: Convert to fraction form
    448,048.96/672,089.84 = 148,555.71/x
  3. Step 3: Cross multiply
    448,048.96x = 672,089.84 × 148,555.71
  4. Step 4: Simplify right side
    448,048.96x = 99,842,783,364.99
  5. Step 5: Solve for x
    x = 99,842,783,364.99/448,048.96
  6. Step 6: Final answer
    x = 222,839.00

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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.