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Finding the Fourth Proportional to 373,203.54, 515,001.51 and 212,036.22

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Solution

The fourth proportional to 373,203.54, 515,001.51 and 212,036.22 is: 292,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,203.54 : 515,001.51 = 212,036.22 : x
  2. Step 2: Convert to fraction form
    373,203.54/515,001.51 = 212,036.22/x
  3. Step 3: Cross multiply
    373,203.54x = 515,001.51 × 212,036.22
  4. Step 4: Simplify right side
    373,203.54x = 109,198,973,474.69
  5. Step 5: Solve for x
    x = 109,198,973,474.69/373,203.54
  6. Step 6: Final answer
    x = 292,598.98

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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.