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Finding the Fourth Proportional to 364,607.20, 546,910.80 and 331,364.80

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Solution

The fourth proportional to 364,607.20, 546,910.80 and 331,364.80 is: 497,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,607.20 : 546,910.80 = 331,364.80 : x
  2. Step 2: Convert to fraction form
    364,607.20/546,910.80 = 331,364.80/x
  3. Step 3: Cross multiply
    364,607.20x = 546,910.80 × 331,364.80
  4. Step 4: Simplify right side
    364,607.20x = 181,226,987,859.84
  5. Step 5: Solve for x
    x = 181,226,987,859.84/364,607.20
  6. Step 6: Final answer
    x = 497,047.20

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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.