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Finding the Fourth Proportional to 379,617.85, 569,568.93 and 197,134.93

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Solution

The fourth proportional to 379,617.85, 569,568.93 and 197,134.93 is: 295,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,617.85 : 569,568.93 = 197,134.93 : x
  2. Step 2: Convert to fraction form
    379,617.85/569,568.93 = 197,134.93/x
  3. Step 3: Cross multiply
    379,617.85x = 569,568.93 × 197,134.93
  4. Step 4: Simplify right side
    379,617.85x = 112,281,927,312.21
  5. Step 5: Solve for x
    x = 112,281,927,312.21/379,617.85
  6. Step 6: Final answer
    x = 295,776.21

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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.