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Finding the Fourth Proportional to 525,856.96, 725,720.58 and 299,502.40

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Solution

The fourth proportional to 525,856.96, 725,720.58 and 299,502.40 is: 413,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,856.96 : 725,720.58 = 299,502.40 : x
  2. Step 2: Convert to fraction form
    525,856.96/725,720.58 = 299,502.40/x
  3. Step 3: Cross multiply
    525,856.96x = 725,720.58 × 299,502.40
  4. Step 4: Simplify right side
    525,856.96x = 217,355,055,439.39
  5. Step 5: Solve for x
    x = 217,355,055,439.39/525,856.96
  6. Step 6: Final answer
    x = 413,334.94

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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.