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Finding the Fourth Proportional to 372,154.56, 513,562.32 and 211,024.32

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Solution

The fourth proportional to 372,154.56, 513,562.32 and 211,024.32 is: 291,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,154.56 : 513,562.32 = 211,024.32 : x
  2. Step 2: Convert to fraction form
    372,154.56/513,562.32 = 211,024.32/x
  3. Step 3: Cross multiply
    372,154.56x = 513,562.32 × 211,024.32
  4. Step 4: Simplify right side
    372,154.56x = 108,374,139,355.62
  5. Step 5: Solve for x
    x = 108,374,139,355.62/372,154.56
  6. Step 6: Final answer
    x = 291,207.34

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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.