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Finding the Fourth Proportional to 570,240.84, 786,847.68 and 346,349.72

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Solution

The fourth proportional to 570,240.84, 786,847.68 and 346,349.72 is: 477,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,240.84 : 786,847.68 = 346,349.72 : x
  2. Step 2: Convert to fraction form
    570,240.84/786,847.68 = 346,349.72/x
  3. Step 3: Cross multiply
    570,240.84x = 786,847.68 × 346,349.72
  4. Step 4: Simplify right side
    570,240.84x = 272,524,469,716.41
  5. Step 5: Solve for x
    x = 272,524,469,716.41/570,240.84
  6. Step 6: Final answer
    x = 477,911.17

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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.