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Finding the Fourth Proportional to 1,570.68, 2,356.06 and 544.68

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Solution

The fourth proportional to 1,570.68, 2,356.06 and 544.68 is: 817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.68 : 2,356.06 = 544.68 : x
  2. Step 2: Convert to fraction form
    1,570.68/2,356.06 = 544.68/x
  3. Step 3: Cross multiply
    1,570.68x = 2,356.06 × 544.68
  4. Step 4: Simplify right side
    1,570.68x = 1,283,298.76
  5. Step 5: Solve for x
    x = 1,283,298.76/1,570.68
  6. Step 6: Final answer
    x = 817.03

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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.