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Finding the Fourth Proportional to 608,749.20, 840,098.61 and 336,812.67

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Solution

The fourth proportional to 608,749.20, 840,098.61 and 336,812.67 is: 464,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,749.20 : 840,098.61 = 336,812.67 : x
  2. Step 2: Convert to fraction form
    608,749.20/840,098.61 = 336,812.67/x
  3. Step 3: Cross multiply
    608,749.20x = 840,098.61 × 336,812.67
  4. Step 4: Simplify right side
    608,749.20x = 282,955,855,897.39
  5. Step 5: Solve for x
    x = 282,955,855,897.39/608,749.20
  6. Step 6: Final answer
    x = 464,815.16

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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.