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Finding the Fourth Proportional to 330,012.63, 495,018.95 and 116,936.87

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Solution

The fourth proportional to 330,012.63, 495,018.95 and 116,936.87 is: 175,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,012.63 : 495,018.95 = 116,936.87 : x
  2. Step 2: Convert to fraction form
    330,012.63/495,018.95 = 116,936.87/x
  3. Step 3: Cross multiply
    330,012.63x = 495,018.95 × 116,936.87
  4. Step 4: Simplify right side
    330,012.63x = 57,885,963,543.91
  5. Step 5: Solve for x
    x = 57,885,963,543.91/330,012.63
  6. Step 6: Final answer
    x = 175,405.30

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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.