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Finding the Fourth Proportional to 372,241.82, 513,784.95 and 211,191.14

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Solution

The fourth proportional to 372,241.82, 513,784.95 and 211,191.14 is: 291,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.82 : 513,784.95 = 211,191.14 : x
  2. Step 2: Convert to fraction form
    372,241.82/513,784.95 = 211,191.14/x
  3. Step 3: Cross multiply
    372,241.82x = 513,784.95 × 211,191.14
  4. Step 4: Simplify right side
    372,241.82x = 108,506,829,305.34
  5. Step 5: Solve for x
    x = 108,506,829,305.34/372,241.82
  6. Step 6: Final answer
    x = 291,495.54

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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.