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Finding the Fourth Proportional to 617.06, 924.90 and 373.75

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Solution

The fourth proportional to 617.06, 924.90 and 373.75 is: 560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.06 : 924.90 = 373.75 : x
  2. Step 2: Convert to fraction form
    617.06/924.90 = 373.75/x
  3. Step 3: Cross multiply
    617.06x = 924.90 × 373.75
  4. Step 4: Simplify right side
    617.06x = 345,681.38
  5. Step 5: Solve for x
    x = 345,681.38/617.06
  6. Step 6: Final answer
    x = 560.21

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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.