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Finding the Fourth Proportional to 347,407.68, 521,153.56 and 122,722.14

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Solution

The fourth proportional to 347,407.68, 521,153.56 and 122,722.14 is: 184,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,407.68 : 521,153.56 = 122,722.14 : x
  2. Step 2: Convert to fraction form
    347,407.68/521,153.56 = 122,722.14/x
  3. Step 3: Cross multiply
    347,407.68x = 521,153.56 × 122,722.14
  4. Step 4: Simplify right side
    347,407.68x = 63,957,080,151.82
  5. Step 5: Solve for x
    x = 63,957,080,151.82/347,407.68
  6. Step 6: Final answer
    x = 184,098.06

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1.5x scale

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.