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Finding the Fourth Proportional to 565,705.42, 847,997.61 and 265,648.87

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Solution

The fourth proportional to 565,705.42, 847,997.61 and 265,648.87 is: 398,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,705.42 : 847,997.61 = 265,648.87 : x
  2. Step 2: Convert to fraction form
    565,705.42/847,997.61 = 265,648.87/x
  3. Step 3: Cross multiply
    565,705.42x = 847,997.61 × 265,648.87
  4. Step 4: Simplify right side
    565,705.42x = 225,269,602,153.03
  5. Step 5: Solve for x
    x = 225,269,602,153.03/565,705.42
  6. Step 6: Final answer
    x = 398,210.08

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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.