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Finding the Fourth Proportional to 341,555.40, 512,333.10 and 164,019.60

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Solution

The fourth proportional to 341,555.40, 512,333.10 and 164,019.60 is: 246,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,555.40 : 512,333.10 = 164,019.60 : x
  2. Step 2: Convert to fraction form
    341,555.40/512,333.10 = 164,019.60/x
  3. Step 3: Cross multiply
    341,555.40x = 512,333.10 × 164,019.60
  4. Step 4: Simplify right side
    341,555.40x = 84,032,670,128.76
  5. Step 5: Solve for x
    x = 84,032,670,128.76/341,555.40
  6. Step 6: Final answer
    x = 246,029.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.