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Finding the Fourth Proportional to 364,656.20, 546,746.70 and 327,331.40

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Solution

The fourth proportional to 364,656.20, 546,746.70 and 327,331.40 is: 490,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,656.20 : 546,746.70 = 327,331.40 : x
  2. Step 2: Convert to fraction form
    364,656.20/546,746.70 = 327,331.40/x
  3. Step 3: Cross multiply
    364,656.20x = 546,746.70 × 327,331.40
  4. Step 4: Simplify right side
    364,656.20x = 178,967,362,756.38
  5. Step 5: Solve for x
    x = 178,967,362,756.38/364,656.20
  6. Step 6: Final answer
    x = 490,783.82

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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.