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Finding the Fourth Proportional to 453,937.60, 679,677.60 and 355,633.60

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Solution

The fourth proportional to 453,937.60, 679,677.60 and 355,633.60 is: 532,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,937.60 : 679,677.60 = 355,633.60 : x
  2. Step 2: Convert to fraction form
    453,937.60/679,677.60 = 355,633.60/x
  3. Step 3: Cross multiply
    453,937.60x = 679,677.60 × 355,633.60
  4. Step 4: Simplify right side
    453,937.60x = 241,716,191,727.36
  5. Step 5: Solve for x
    x = 241,716,191,727.36/453,937.60
  6. Step 6: Final answer
    x = 532,487.71

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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.