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Finding the Fourth Proportional to 372,254.02, 513,801.81 and 211,203.34

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Solution

The fourth proportional to 372,254.02, 513,801.81 and 211,203.34 is: 291,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,254.02 : 513,801.81 = 211,203.34 : x
  2. Step 2: Convert to fraction form
    372,254.02/513,801.81 = 211,203.34/x
  3. Step 3: Cross multiply
    372,254.02x = 513,801.81 × 211,203.34
  4. Step 4: Simplify right side
    372,254.02x = 108,516,658,370.05
  5. Step 5: Solve for x
    x = 108,516,658,370.05/372,254.02
  6. Step 6: Final answer
    x = 291,512.39

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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.