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Finding the Fourth Proportional to 377,911.56, 566,878.28 and 97,428.81

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Solution

The fourth proportional to 377,911.56, 566,878.28 and 97,428.81 is: 146,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,911.56 : 566,878.28 = 97,428.81 : x
  2. Step 2: Convert to fraction form
    377,911.56/566,878.28 = 97,428.81/x
  3. Step 3: Cross multiply
    377,911.56x = 566,878.28 × 97,428.81
  4. Step 4: Simplify right side
    377,911.56x = 55,230,276,235.25
  5. Step 5: Solve for x
    x = 55,230,276,235.25/377,911.56
  6. Step 6: Final answer
    x = 146,146.04

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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.