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Finding the Fourth Proportional to 373,547.35, 515,494.69 and 203,781.47

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Solution

The fourth proportional to 373,547.35, 515,494.69 and 203,781.47 is: 281,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,547.35 : 515,494.69 = 203,781.47 : x
  2. Step 2: Convert to fraction form
    373,547.35/515,494.69 = 203,781.47/x
  3. Step 3: Cross multiply
    373,547.35x = 515,494.69 × 203,781.47
  4. Step 4: Simplify right side
    373,547.35x = 105,048,266,484.68
  5. Step 5: Solve for x
    x = 105,048,266,484.68/373,547.35
  6. Step 6: Final answer
    x = 281,218.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.