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Finding the Fourth Proportional to 1,017.54, 1,526.72 and 368.33

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Solution

The fourth proportional to 1,017.54, 1,526.72 and 368.33 is: 552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.54 : 1,526.72 = 368.33 : x
  2. Step 2: Convert to fraction form
    1,017.54/1,526.72 = 368.33/x
  3. Step 3: Cross multiply
    1,017.54x = 1,526.72 × 368.33
  4. Step 4: Simplify right side
    1,017.54x = 562,327.30
  5. Step 5: Solve for x
    x = 562,327.30/1,017.54
  6. Step 6: Final answer
    x = 552.63

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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.