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Finding the Fourth Proportional to 355,266.50, 533,279.12 and 152,962.71

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Solution

The fourth proportional to 355,266.50, 533,279.12 and 152,962.71 is: 229,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,266.50 : 533,279.12 = 152,962.71 : x
  2. Step 2: Convert to fraction form
    355,266.50/533,279.12 = 152,962.71/x
  3. Step 3: Cross multiply
    355,266.50x = 533,279.12 × 152,962.71
  4. Step 4: Simplify right side
    355,266.50x = 81,571,818,616.80
  5. Step 5: Solve for x
    x = 81,571,818,616.80/355,266.50
  6. Step 6: Final answer
    x = 229,607.41

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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.