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Finding the Fourth Proportional to 297,043.02, 445,606.90 and 97,320.71

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Solution

The fourth proportional to 297,043.02, 445,606.90 and 97,320.71 is: 145,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,043.02 : 445,606.90 = 97,320.71 : x
  2. Step 2: Convert to fraction form
    297,043.02/445,606.90 = 97,320.71/x
  3. Step 3: Cross multiply
    297,043.02x = 445,606.90 × 97,320.71
  4. Step 4: Simplify right side
    297,043.02x = 43,366,779,888.90
  5. Step 5: Solve for x
    x = 43,366,779,888.90/297,043.02
  6. Step 6: Final answer
    x = 145,994.95

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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.