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Finding the Fourth Proportional to 608,099.76, 839,172.08 and 336,174.72

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Solution

The fourth proportional to 608,099.76, 839,172.08 and 336,174.72 is: 463,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,099.76 : 839,172.08 = 336,174.72 : x
  2. Step 2: Convert to fraction form
    608,099.76/839,172.08 = 336,174.72/x
  3. Step 3: Cross multiply
    608,099.76x = 839,172.08 × 336,174.72
  4. Step 4: Simplify right side
    608,099.76x = 282,108,439,025.82
  5. Step 5: Solve for x
    x = 282,108,439,025.82/608,099.76
  6. Step 6: Final answer
    x = 463,918.02

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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.