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Finding the Fourth Proportional to 273,481.50, 377,423.40 and 152,646.30

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Solution

The fourth proportional to 273,481.50, 377,423.40 and 152,646.30 is: 210,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,481.50 : 377,423.40 = 152,646.30 : x
  2. Step 2: Convert to fraction form
    273,481.50/377,423.40 = 152,646.30/x
  3. Step 3: Cross multiply
    273,481.50x = 377,423.40 × 152,646.30
  4. Step 4: Simplify right side
    273,481.50x = 57,612,285,543.42
  5. Step 5: Solve for x
    x = 57,612,285,543.42/273,481.50
  6. Step 6: Final answer
    x = 210,662.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.