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Finding the Fourth Proportional to 373,202.96, 515,001.48 and 212,036.72

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Solution

The fourth proportional to 373,202.96, 515,001.48 and 212,036.72 is: 292,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,202.96 : 515,001.48 = 212,036.72 : x
  2. Step 2: Convert to fraction form
    373,202.96/515,001.48 = 212,036.72/x
  3. Step 3: Cross multiply
    373,202.96x = 515,001.48 × 212,036.72
  4. Step 4: Simplify right side
    373,202.96x = 109,199,224,614.35
  5. Step 5: Solve for x
    x = 109,199,224,614.35/373,202.96
  6. Step 6: Final answer
    x = 292,600.10

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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.