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Finding the Fourth Proportional to 465,311.12, 694,814.58 and 369,465.84

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Solution

The fourth proportional to 465,311.12, 694,814.58 and 369,465.84 is: 551,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,311.12 : 694,814.58 = 369,465.84 : x
  2. Step 2: Convert to fraction form
    465,311.12/694,814.58 = 369,465.84/x
  3. Step 3: Cross multiply
    465,311.12x = 694,814.58 × 369,465.84
  4. Step 4: Simplify right side
    465,311.12x = 256,710,252,443.95
  5. Step 5: Solve for x
    x = 256,710,252,443.95/465,311.12
  6. Step 6: Final answer
    x = 551,695.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.