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Finding the Fourth Proportional to 608,759.55, 840,089.07 and 336,838.91

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Solution

The fourth proportional to 608,759.55, 840,089.07 and 336,838.91 is: 464,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,759.55 : 840,089.07 = 336,838.91 : x
  2. Step 2: Convert to fraction form
    608,759.55/840,089.07 = 336,838.91/x
  3. Step 3: Cross multiply
    608,759.55x = 840,089.07 × 336,838.91
  4. Step 4: Simplify right side
    608,759.55x = 282,974,682,441.27
  5. Step 5: Solve for x
    x = 282,974,682,441.27/608,759.55
  6. Step 6: Final answer
    x = 464,838.18

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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.