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Finding the Fourth Proportional to 616,474.81, 850,732.40 and 344,542.62

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Solution

The fourth proportional to 616,474.81, 850,732.40 and 344,542.62 is: 475,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,474.81 : 850,732.40 = 344,542.62 : x
  2. Step 2: Convert to fraction form
    616,474.81/850,732.40 = 344,542.62/x
  3. Step 3: Cross multiply
    616,474.81x = 850,732.40 × 344,542.62
  4. Step 4: Simplify right side
    616,474.81x = 293,113,574,066.49
  5. Step 5: Solve for x
    x = 293,113,574,066.49/616,474.81
  6. Step 6: Final answer
    x = 475,467.24

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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.