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Finding the Fourth Proportional to 374,195.94, 515,783.76 and 292,381.14

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Solution

The fourth proportional to 374,195.94, 515,783.76 and 292,381.14 is: 403,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,195.94 : 515,783.76 = 292,381.14 : x
  2. Step 2: Convert to fraction form
    374,195.94/515,783.76 = 292,381.14/x
  3. Step 3: Cross multiply
    374,195.94x = 515,783.76 × 292,381.14
  4. Step 4: Simplify right side
    374,195.94x = 150,805,443,742.29
  5. Step 5: Solve for x
    x = 150,805,443,742.29/374,195.94
  6. Step 6: Final answer
    x = 403,011.97

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1.5x scale

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.