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Finding the Fourth Proportional to 525,764.52, 725,555.34 and 284,047.02

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Solution

The fourth proportional to 525,764.52, 725,555.34 and 284,047.02 is: 391,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,764.52 : 725,555.34 = 284,047.02 : x
  2. Step 2: Convert to fraction form
    525,764.52/725,555.34 = 284,047.02/x
  3. Step 3: Cross multiply
    525,764.52x = 725,555.34 × 284,047.02
  4. Step 4: Simplify right side
    525,764.52x = 206,091,832,172.09
  5. Step 5: Solve for x
    x = 206,091,832,172.09/525,764.52
  6. Step 6: Final answer
    x = 391,985.05

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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.