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Finding the Fourth Proportional to 565,312.60, 847,701.60 and 328,727.80

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Solution

The fourth proportional to 565,312.60, 847,701.60 and 328,727.80 is: 492,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,312.60 : 847,701.60 = 328,727.80 : x
  2. Step 2: Convert to fraction form
    565,312.60/847,701.60 = 328,727.80/x
  3. Step 3: Cross multiply
    565,312.60x = 847,701.60 × 328,727.80
  4. Step 4: Simplify right side
    565,312.60x = 278,663,082,024.48
  5. Step 5: Solve for x
    x = 278,663,082,024.48/565,312.60
  6. Step 6: Final answer
    x = 492,936.27

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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.