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Finding the Fourth Proportional to 608,670.96, 839,991 and 336,734.40

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Solution

The fourth proportional to 608,670.96, 839,991 and 336,734.40 is: 464,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,670.96 : 839,991 = 336,734.40 : x
  2. Step 2: Convert to fraction form
    608,670.96/839,991 = 336,734.40/x
  3. Step 3: Cross multiply
    608,670.96x = 839,991 × 336,734.40
  4. Step 4: Simplify right side
    608,670.96x = 282,853,865,390.40
  5. Step 5: Solve for x
    x = 282,853,865,390.40/608,670.96
  6. Step 6: Final answer
    x = 464,707.34

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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.