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Finding the Fourth Proportional to 525,858.45, 726,910.53 and 469,060.69

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Solution

The fourth proportional to 525,858.45, 726,910.53 and 469,060.69 is: 648,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,858.45 : 726,910.53 = 469,060.69 : x
  2. Step 2: Convert to fraction form
    525,858.45/726,910.53 = 469,060.69/x
  3. Step 3: Cross multiply
    525,858.45x = 726,910.53 × 469,060.69
  4. Step 4: Simplify right side
    525,858.45x = 340,965,154,770.07
  5. Step 5: Solve for x
    x = 340,965,154,770.07/525,858.45
  6. Step 6: Final answer
    x = 648,397.22

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1.5x scale

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.