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Finding the Fourth Proportional to 437,307.89, 655,972.23 and 117,460.16

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Solution

The fourth proportional to 437,307.89, 655,972.23 and 117,460.16 is: 176,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,307.89 : 655,972.23 = 117,460.16 : x
  2. Step 2: Convert to fraction form
    437,307.89/655,972.23 = 117,460.16/x
  3. Step 3: Cross multiply
    437,307.89x = 655,972.23 × 117,460.16
  4. Step 4: Simplify right side
    437,307.89x = 77,050,603,091.36
  5. Step 5: Solve for x
    x = 77,050,603,091.36/437,307.89
  6. Step 6: Final answer
    x = 176,193.03

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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.