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Finding the Fourth Proportional to 273,774.60, 410,661.90 and 155,809.80

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Solution

The fourth proportional to 273,774.60, 410,661.90 and 155,809.80 is: 233,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,774.60 : 410,661.90 = 155,809.80 : x
  2. Step 2: Convert to fraction form
    273,774.60/410,661.90 = 155,809.80/x
  3. Step 3: Cross multiply
    273,774.60x = 410,661.90 × 155,809.80
  4. Step 4: Simplify right side
    273,774.60x = 63,985,148,506.62
  5. Step 5: Solve for x
    x = 63,985,148,506.62/273,774.60
  6. Step 6: Final answer
    x = 233,714.70

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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.