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Finding the Fourth Proportional to 525,720.08, 725,492.96 and 299,365.56

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Solution

The fourth proportional to 525,720.08, 725,492.96 and 299,365.56 is: 413,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,720.08 : 725,492.96 = 299,365.56 : x
  2. Step 2: Convert to fraction form
    525,720.08/725,492.96 = 299,365.56/x
  3. Step 3: Cross multiply
    525,720.08x = 725,492.96 × 299,365.56
  4. Step 4: Simplify right side
    525,720.08x = 217,187,606,246.46
  5. Step 5: Solve for x
    x = 217,187,606,246.46/525,720.08
  6. Step 6: Final answer
    x = 413,124.05

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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.