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Finding the Fourth Proportional to 525,600.16, 725,329.04 and 299,245.76

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Solution

The fourth proportional to 525,600.16, 725,329.04 and 299,245.76 is: 412,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,600.16 : 725,329.04 = 299,245.76 : x
  2. Step 2: Convert to fraction form
    525,600.16/725,329.04 = 299,245.76/x
  3. Step 3: Cross multiply
    525,600.16x = 725,329.04 × 299,245.76
  4. Step 4: Simplify right side
    525,600.16x = 217,051,639,824.87
  5. Step 5: Solve for x
    x = 217,051,639,824.87/525,600.16
  6. Step 6: Final answer
    x = 412,959.62

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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.