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Finding the Fourth Proportional to 1,575.40, 2,363.16 and 601.60

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Solution

The fourth proportional to 1,575.40, 2,363.16 and 601.60 is: 902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.40 : 2,363.16 = 601.60 : x
  2. Step 2: Convert to fraction form
    1,575.40/2,363.16 = 601.60/x
  3. Step 3: Cross multiply
    1,575.40x = 2,363.16 × 601.60
  4. Step 4: Simplify right side
    1,575.40x = 1,421,677.06
  5. Step 5: Solve for x
    x = 1,421,677.06/1,575.40
  6. Step 6: Final answer
    x = 902.42

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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.