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Finding the Fourth Proportional to 436,261.60, 654,435.60 and 151,908.40

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Solution

The fourth proportional to 436,261.60, 654,435.60 and 151,908.40 is: 227,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,261.60 : 654,435.60 = 151,908.40 : x
  2. Step 2: Convert to fraction form
    436,261.60/654,435.60 = 151,908.40/x
  3. Step 3: Cross multiply
    436,261.60x = 654,435.60 × 151,908.40
  4. Step 4: Simplify right side
    436,261.60x = 99,414,264,899.04
  5. Step 5: Solve for x
    x = 99,414,264,899.04/436,261.60
  6. Step 6: Final answer
    x = 227,877.64

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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.