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Finding the Fourth Proportional to 360,549.64, 540,595.50 and 191,965.96

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Solution

The fourth proportional to 360,549.64, 540,595.50 and 191,965.96 is: 287,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,549.64 : 540,595.50 = 191,965.96 : x
  2. Step 2: Convert to fraction form
    360,549.64/540,595.50 = 191,965.96/x
  3. Step 3: Cross multiply
    360,549.64x = 540,595.50 × 191,965.96
  4. Step 4: Simplify right side
    360,549.64x = 103,775,934,129.18
  5. Step 5: Solve for x
    x = 103,775,934,129.18/360,549.64
  6. Step 6: Final answer
    x = 287,827.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.