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Finding the Fourth Proportional to 291,701.10, 437,551.65 and 197,222.70

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Solution

The fourth proportional to 291,701.10, 437,551.65 and 197,222.70 is: 295,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,701.10 : 437,551.65 = 197,222.70 : x
  2. Step 2: Convert to fraction form
    291,701.10/437,551.65 = 197,222.70/x
  3. Step 3: Cross multiply
    291,701.10x = 437,551.65 × 197,222.70
  4. Step 4: Simplify right side
    291,701.10x = 86,295,117,802.46
  5. Step 5: Solve for x
    x = 86,295,117,802.46/291,701.10
  6. Step 6: Final answer
    x = 295,834.05

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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.