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Finding the Fourth Proportional to 468,466.73, 646,484.29 and 253,606.79

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Solution

The fourth proportional to 468,466.73, 646,484.29 and 253,606.79 is: 349,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,466.73 : 646,484.29 = 253,606.79 : x
  2. Step 2: Convert to fraction form
    468,466.73/646,484.29 = 253,606.79/x
  3. Step 3: Cross multiply
    468,466.73x = 646,484.29 × 253,606.79
  4. Step 4: Simplify right side
    468,466.73x = 163,952,805,572.33
  5. Step 5: Solve for x
    x = 163,952,805,572.33/468,466.73
  6. Step 6: Final answer
    x = 349,977.48

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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.