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Finding the Fourth Proportional to 436,087.20, 601,805.76 and 264,002.88

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Solution

The fourth proportional to 436,087.20, 601,805.76 and 264,002.88 is: 364,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,087.20 : 601,805.76 = 264,002.88 : x
  2. Step 2: Convert to fraction form
    436,087.20/601,805.76 = 264,002.88/x
  3. Step 3: Cross multiply
    436,087.20x = 601,805.76 × 264,002.88
  4. Step 4: Simplify right side
    436,087.20x = 158,878,453,840.59
  5. Step 5: Solve for x
    x = 158,878,453,840.59/436,087.20
  6. Step 6: Final answer
    x = 364,327.26

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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.