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Finding the Fourth Proportional to 296,838.70, 445,258.05 and 119,254.30

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Solution

The fourth proportional to 296,838.70, 445,258.05 and 119,254.30 is: 178,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,838.70 : 445,258.05 = 119,254.30 : x
  2. Step 2: Convert to fraction form
    296,838.70/445,258.05 = 119,254.30/x
  3. Step 3: Cross multiply
    296,838.70x = 445,258.05 × 119,254.30
  4. Step 4: Simplify right side
    296,838.70x = 53,098,937,072.12
  5. Step 5: Solve for x
    x = 53,098,937,072.12/296,838.70
  6. Step 6: Final answer
    x = 178,881.45

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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.