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Finding the Fourth Proportional to 565,800.90, 780,790.48 and 336,358.64

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Solution

The fourth proportional to 565,800.90, 780,790.48 and 336,358.64 is: 464,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,800.90 : 780,790.48 = 336,358.64 : x
  2. Step 2: Convert to fraction form
    565,800.90/780,790.48 = 336,358.64/x
  3. Step 3: Cross multiply
    565,800.90x = 780,790.48 × 336,358.64
  4. Step 4: Simplify right side
    565,800.90x = 262,625,623,977.75
  5. Step 5: Solve for x
    x = 262,625,623,977.75/565,800.90
  6. Step 6: Final answer
    x = 464,166.15

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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.