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Finding the Fourth Proportional to 501,920.40, 752,216.04 and 368,174.52

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Solution

The fourth proportional to 501,920.40, 752,216.04 and 368,174.52 is: 551,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,920.40 : 752,216.04 = 368,174.52 : x
  2. Step 2: Convert to fraction form
    501,920.40/752,216.04 = 368,174.52/x
  3. Step 3: Cross multiply
    501,920.40x = 752,216.04 × 368,174.52
  4. Step 4: Simplify right side
    501,920.40x = 276,946,779,463.30
  5. Step 5: Solve for x
    x = 276,946,779,463.30/501,920.40
  6. Step 6: Final answer
    x = 551,774.30

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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.