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Finding the Fourth Proportional to 339,622.32, 468,683.10 and 186,677.22

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Solution

The fourth proportional to 339,622.32, 468,683.10 and 186,677.22 is: 257,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,622.32 : 468,683.10 = 186,677.22 : x
  2. Step 2: Convert to fraction form
    339,622.32/468,683.10 = 186,677.22/x
  3. Step 3: Cross multiply
    339,622.32x = 468,683.10 × 186,677.22
  4. Step 4: Simplify right side
    339,622.32x = 87,492,458,168.98
  5. Step 5: Solve for x
    x = 87,492,458,168.98/339,622.32
  6. Step 6: Final answer
    x = 257,616.93

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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.