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Finding the Fourth Proportional to 434,273, 599,296.74 and 243,286.34

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Solution

The fourth proportional to 434,273, 599,296.74 and 243,286.34 is: 335,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,273 : 599,296.74 = 243,286.34 : x
  2. Step 2: Convert to fraction form
    434,273/599,296.74 = 243,286.34/x
  3. Step 3: Cross multiply
    434,273x = 599,296.74 × 243,286.34
  4. Step 4: Simplify right side
    434,273x = 145,800,710,448.53
  5. Step 5: Solve for x
    x = 145,800,710,448.53/434,273
  6. Step 6: Final answer
    x = 335,735.15

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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.