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Finding the Fourth Proportional to 526,645.08, 726,770.25 and 284,927.51

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Solution

The fourth proportional to 526,645.08, 726,770.25 and 284,927.51 is: 393,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,645.08 : 726,770.25 = 284,927.51 : x
  2. Step 2: Convert to fraction form
    526,645.08/726,770.25 = 284,927.51/x
  3. Step 3: Cross multiply
    526,645.08x = 726,770.25 × 284,927.51
  4. Step 4: Simplify right side
    526,645.08x = 207,076,839,491.50
  5. Step 5: Solve for x
    x = 207,076,839,491.50/526,645.08
  6. Step 6: Final answer
    x = 393,199.99

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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.