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Finding the Fourth Proportional to 675.95, 933.33 and 545.54

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Solution

The fourth proportional to 675.95, 933.33 and 545.54 is: 753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.95 : 933.33 = 545.54 : x
  2. Step 2: Convert to fraction form
    675.95/933.33 = 545.54/x
  3. Step 3: Cross multiply
    675.95x = 933.33 × 545.54
  4. Step 4: Simplify right side
    675.95x = 509,164.18
  5. Step 5: Solve for x
    x = 509,164.18/675.95
  6. Step 6: Final answer
    x = 753.26

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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.