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Finding the Fourth Proportional to 296,993.88, 445,445.54 and 97,335

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Solution

The fourth proportional to 296,993.88, 445,445.54 and 97,335 is: 145,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,993.88 : 445,445.54 = 97,335 : x
  2. Step 2: Convert to fraction form
    296,993.88/445,445.54 = 97,335/x
  3. Step 3: Cross multiply
    296,993.88x = 445,445.54 × 97,335
  4. Step 4: Simplify right side
    296,993.88x = 43,357,441,635.90
  5. Step 5: Solve for x
    x = 43,357,441,635.90/296,993.88
  6. Step 6: Final answer
    x = 145,987.66

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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.