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Finding the Fourth Proportional to 364,699.20, 546,811.20 and 327,374.40

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Solution

The fourth proportional to 364,699.20, 546,811.20 and 327,374.40 is: 490,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,699.20 : 546,811.20 = 327,374.40 : x
  2. Step 2: Convert to fraction form
    364,699.20/546,811.20 = 327,374.40/x
  3. Step 3: Cross multiply
    364,699.20x = 546,811.20 × 327,374.40
  4. Step 4: Simplify right side
    364,699.20x = 179,011,988,513.28
  5. Step 5: Solve for x
    x = 179,011,988,513.28/364,699.20
  6. Step 6: Final answer
    x = 490,848.32

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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.