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Finding the Fourth Proportional to 448,345.07, 672,050.48 and 195,557.68

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Solution

The fourth proportional to 448,345.07, 672,050.48 and 195,557.68 is: 293,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,345.07 : 672,050.48 = 195,557.68 : x
  2. Step 2: Convert to fraction form
    448,345.07/672,050.48 = 195,557.68/x
  3. Step 3: Cross multiply
    448,345.07x = 672,050.48 × 195,557.68
  4. Step 4: Simplify right side
    448,345.07x = 131,424,631,520.45
  5. Step 5: Solve for x
    x = 131,424,631,520.45/448,345.07
  6. Step 6: Final answer
    x = 293,132.77

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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.