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Finding the Fourth Proportional to 525,194.64, 724,037.82 and 443,860.11

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Solution

The fourth proportional to 525,194.64, 724,037.82 and 443,860.11 is: 611,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,194.64 : 724,037.82 = 443,860.11 : x
  2. Step 2: Convert to fraction form
    525,194.64/724,037.82 = 443,860.11/x
  3. Step 3: Cross multiply
    525,194.64x = 724,037.82 × 443,860.11
  4. Step 4: Simplify right side
    525,194.64x = 321,371,506,429.36
  5. Step 5: Solve for x
    x = 321,371,506,429.36/525,194.64
  6. Step 6: Final answer
    x = 611,909.34

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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.