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Finding the Fourth Proportional to 268,969.59, 403,483.59 and 100,570.59

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Solution

The fourth proportional to 268,969.59, 403,483.59 and 100,570.59 is: 150,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,969.59 : 403,483.59 = 100,570.59 : x
  2. Step 2: Convert to fraction form
    268,969.59/403,483.59 = 100,570.59/x
  3. Step 3: Cross multiply
    268,969.59x = 403,483.59 × 100,570.59
  4. Step 4: Simplify right side
    268,969.59x = 40,578,582,701.62
  5. Step 5: Solve for x
    x = 40,578,582,701.62/268,969.59
  6. Step 6: Final answer
    x = 150,866.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.