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Finding the Fourth Proportional to 335,774.40, 503,200.80 and 273,566.40

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Solution

The fourth proportional to 335,774.40, 503,200.80 and 273,566.40 is: 409,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,774.40 : 503,200.80 = 273,566.40 : x
  2. Step 2: Convert to fraction form
    335,774.40/503,200.80 = 273,566.40/x
  3. Step 3: Cross multiply
    335,774.40x = 503,200.80 × 273,566.40
  4. Step 4: Simplify right side
    335,774.40x = 137,658,831,333.12
  5. Step 5: Solve for x
    x = 137,658,831,333.12/335,774.40
  6. Step 6: Final answer
    x = 409,974.17

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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.