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Finding the Fourth Proportional to 425,032.78, 637,253.24 and 188,247.10

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Solution

The fourth proportional to 425,032.78, 637,253.24 and 188,247.10 is: 282,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,032.78 : 637,253.24 = 188,247.10 : x
  2. Step 2: Convert to fraction form
    425,032.78/637,253.24 = 188,247.10/x
  3. Step 3: Cross multiply
    425,032.78x = 637,253.24 × 188,247.10
  4. Step 4: Simplify right side
    425,032.78x = 119,961,071,679.96
  5. Step 5: Solve for x
    x = 119,961,071,679.96/425,032.78
  6. Step 6: Final answer
    x = 282,239.58

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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.