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Finding the Fourth Proportional to 448,462.61, 671,932.72 and 270,595.93

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Solution

The fourth proportional to 448,462.61, 671,932.72 and 270,595.93 is: 405,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,462.61 : 671,932.72 = 270,595.93 : x
  2. Step 2: Convert to fraction form
    448,462.61/671,932.72 = 270,595.93/x
  3. Step 3: Cross multiply
    448,462.61x = 671,932.72 × 270,595.93
  4. Step 4: Simplify right side
    448,462.61x = 181,822,254,553.19
  5. Step 5: Solve for x
    x = 181,822,254,553.19/448,462.61
  6. Step 6: Final answer
    x = 405,434.59

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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.