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Finding the Fourth Proportional to 330,901.59, 495,099.84 and 196,038.06

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Solution

The fourth proportional to 330,901.59, 495,099.84 and 196,038.06 is: 293,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,901.59 : 495,099.84 = 196,038.06 : x
  2. Step 2: Convert to fraction form
    330,901.59/495,099.84 = 196,038.06/x
  3. Step 3: Cross multiply
    330,901.59x = 495,099.84 × 196,038.06
  4. Step 4: Simplify right side
    330,901.59x = 97,058,412,758.79
  5. Step 5: Solve for x
    x = 97,058,412,758.79/330,901.59
  6. Step 6: Final answer
    x = 293,315.04

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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.