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Finding the Fourth Proportional to 422,484.03, 633,726.51 and 106,940.93

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Solution

The fourth proportional to 422,484.03, 633,726.51 and 106,940.93 is: 160,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,484.03 : 633,726.51 = 106,940.93 : x
  2. Step 2: Convert to fraction form
    422,484.03/633,726.51 = 106,940.93/x
  3. Step 3: Cross multiply
    422,484.03x = 633,726.51 × 106,940.93
  4. Step 4: Simplify right side
    422,484.03x = 67,771,304,423.23
  5. Step 5: Solve for x
    x = 67,771,304,423.23/422,484.03
  6. Step 6: Final answer
    x = 160,411.52

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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.