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Finding the Fourth Proportional to 371,444.40, 557,166.60 and 349,301.03

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Solution

The fourth proportional to 371,444.40, 557,166.60 and 349,301.03 is: 523,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,444.40 : 557,166.60 = 349,301.03 : x
  2. Step 2: Convert to fraction form
    371,444.40/557,166.60 = 349,301.03/x
  3. Step 3: Cross multiply
    371,444.40x = 557,166.60 × 349,301.03
  4. Step 4: Simplify right side
    371,444.40x = 194,618,864,475.77
  5. Step 5: Solve for x
    x = 194,618,864,475.77/371,444.40
  6. Step 6: Final answer
    x = 523,951.54

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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.