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Finding the Fourth Proportional to 506,028.72, 759,028.68 and 151,045.68

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Solution

The fourth proportional to 506,028.72, 759,028.68 and 151,045.68 is: 226,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,028.72 : 759,028.68 = 151,045.68 : x
  2. Step 2: Convert to fraction form
    506,028.72/759,028.68 = 151,045.68/x
  3. Step 3: Cross multiply
    506,028.72x = 759,028.68 × 151,045.68
  4. Step 4: Simplify right side
    506,028.72x = 114,648,003,110.10
  5. Step 5: Solve for x
    x = 114,648,003,110.10/506,028.72
  6. Step 6: Final answer
    x = 226,564.22

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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.