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Finding the Fourth Proportional to 616,455.63, 850,705.81 and 344,523.24

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Solution

The fourth proportional to 616,455.63, 850,705.81 and 344,523.24 is: 475,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,455.63 : 850,705.81 = 344,523.24 : x
  2. Step 2: Convert to fraction form
    616,455.63/850,705.81 = 344,523.24/x
  3. Step 3: Cross multiply
    616,455.63x = 850,705.81 × 344,523.24
  4. Step 4: Simplify right side
    616,455.63x = 293,087,921,086.72
  5. Step 5: Solve for x
    x = 293,087,921,086.72/616,455.63
  6. Step 6: Final answer
    x = 475,440.42

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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.