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Finding the Fourth Proportional to 296,817.30, 445,269.15 and 97,089.30

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Solution

The fourth proportional to 296,817.30, 445,269.15 and 97,089.30 is: 145,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,817.30 : 445,269.15 = 97,089.30 : x
  2. Step 2: Convert to fraction form
    296,817.30/445,269.15 = 97,089.30/x
  3. Step 3: Cross multiply
    296,817.30x = 445,269.15 × 97,089.30
  4. Step 4: Simplify right side
    296,817.30x = 43,230,870,085.10
  5. Step 5: Solve for x
    x = 43,230,870,085.10/296,817.30
  6. Step 6: Final answer
    x = 145,648.08

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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.