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Finding the Fourth Proportional to 296,988.88, 445,438.04 and 97,330

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Solution

The fourth proportional to 296,988.88, 445,438.04 and 97,330 is: 145,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,988.88 : 445,438.04 = 97,330 : x
  2. Step 2: Convert to fraction form
    296,988.88/445,438.04 = 97,330/x
  3. Step 3: Cross multiply
    296,988.88x = 445,438.04 × 97,330
  4. Step 4: Simplify right side
    296,988.88x = 43,354,484,433.20
  5. Step 5: Solve for x
    x = 43,354,484,433.20/296,988.88
  6. Step 6: Final answer
    x = 145,980.16

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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.