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Finding the Fourth Proportional to 565,853.95, 780,741.76 and 359,046.94

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Solution

The fourth proportional to 565,853.95, 780,741.76 and 359,046.94 is: 495,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,853.95 : 780,741.76 = 359,046.94 : x
  2. Step 2: Convert to fraction form
    565,853.95/780,741.76 = 359,046.94/x
  3. Step 3: Cross multiply
    565,853.95x = 780,741.76 × 359,046.94
  4. Step 4: Simplify right side
    565,853.95x = 280,322,939,858.21
  5. Step 5: Solve for x
    x = 280,322,939,858.21/565,853.95
  6. Step 6: Final answer
    x = 495,398.04

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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.