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Finding the Fourth Proportional to 525,865.94, 726,920.89 and 469,068.17

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Solution

The fourth proportional to 525,865.94, 726,920.89 and 469,068.17 is: 648,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,865.94 : 726,920.89 = 469,068.17 : x
  2. Step 2: Convert to fraction form
    525,865.94/726,920.89 = 469,068.17/x
  3. Step 3: Cross multiply
    525,865.94x = 726,920.89 × 469,068.17
  4. Step 4: Simplify right side
    525,865.94x = 340,975,452,251.70
  5. Step 5: Solve for x
    x = 340,975,452,251.70/525,865.94
  6. Step 6: Final answer
    x = 648,407.57

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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.