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Finding the Fourth Proportional to 296,712.69, 445,139.04 and 97,032.30

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Solution

The fourth proportional to 296,712.69, 445,139.04 and 97,032.30 is: 145,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,712.69 : 445,139.04 = 97,032.30 : x
  2. Step 2: Convert to fraction form
    296,712.69/445,139.04 = 97,032.30/x
  3. Step 3: Cross multiply
    296,712.69x = 445,139.04 × 97,032.30
  4. Step 4: Simplify right side
    296,712.69x = 43,192,864,870.99
  5. Step 5: Solve for x
    x = 43,192,864,870.99/296,712.69
  6. Step 6: Final answer
    x = 145,571.34

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1.5x scale

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.