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Finding the Fourth Proportional to 616.06, 924 and 555.40

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Solution

The fourth proportional to 616.06, 924 and 555.40 is: 833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.06 : 924 = 555.40 : x
  2. Step 2: Convert to fraction form
    616.06/924 = 555.40/x
  3. Step 3: Cross multiply
    616.06x = 924 × 555.40
  4. Step 4: Simplify right side
    616.06x = 513,189.60
  5. Step 5: Solve for x
    x = 513,189.60/616.06
  6. Step 6: Final answer
    x = 833.02

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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.