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Finding the Fourth Proportional to 525,553.92, 725,322.24 and 299,162.88

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Solution

The fourth proportional to 525,553.92, 725,322.24 and 299,162.88 is: 412,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,553.92 : 725,322.24 = 299,162.88 : x
  2. Step 2: Convert to fraction form
    525,553.92/725,322.24 = 299,162.88/x
  3. Step 3: Cross multiply
    525,553.92x = 725,322.24 × 299,162.88
  4. Step 4: Simplify right side
    525,553.92x = 216,989,490,246.45
  5. Step 5: Solve for x
    x = 216,989,490,246.45/525,553.92
  6. Step 6: Final answer
    x = 412,877.69

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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.