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Finding the Fourth Proportional to 525,717.06, 725,488.83 and 299,362.56

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Solution

The fourth proportional to 525,717.06, 725,488.83 and 299,362.56 is: 413,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,717.06 : 725,488.83 = 299,362.56 : x
  2. Step 2: Convert to fraction form
    525,717.06/725,488.83 = 299,362.56/x
  3. Step 3: Cross multiply
    525,717.06x = 725,488.83 × 299,362.56
  4. Step 4: Simplify right side
    525,717.06x = 217,184,193,400.21
  5. Step 5: Solve for x
    x = 217,184,193,400.21/525,717.06
  6. Step 6: Final answer
    x = 413,119.93

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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.