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Finding the Fourth Proportional to 659,647.94, 910,315.91 and 357,841.94

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Solution

The fourth proportional to 659,647.94, 910,315.91 and 357,841.94 is: 493,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,647.94 : 910,315.91 = 357,841.94 : x
  2. Step 2: Convert to fraction form
    659,647.94/910,315.91 = 357,841.94/x
  3. Step 3: Cross multiply
    659,647.94x = 910,315.91 × 357,841.94
  4. Step 4: Simplify right side
    659,647.94x = 325,749,211,247.27
  5. Step 5: Solve for x
    x = 325,749,211,247.27/659,647.94
  6. Step 6: Final answer
    x = 493,822.83

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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.