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Finding the Fourth Proportional to 995,060, 1,492,823.28 and 330,212

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Solution

The fourth proportional to 995,060, 1,492,823.28 and 330,212 is: 495,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,060 : 1,492,823.28 = 330,212 : x
  2. Step 2: Convert to fraction form
    995,060/1,492,823.28 = 330,212/x
  3. Step 3: Cross multiply
    995,060x = 1,492,823.28 × 330,212
  4. Step 4: Simplify right side
    995,060x = 492,948,160,935.36
  5. Step 5: Solve for x
    x = 492,948,160,935.36/995,060
  6. Step 6: Final answer
    x = 495,395.41

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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.