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Finding the Fourth Proportional to 302,896.74, 418,000.35 and 166,935.66

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Solution

The fourth proportional to 302,896.74, 418,000.35 and 166,935.66 is: 230,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,896.74 : 418,000.35 = 166,935.66 : x
  2. Step 2: Convert to fraction form
    302,896.74/418,000.35 = 166,935.66/x
  3. Step 3: Cross multiply
    302,896.74x = 418,000.35 × 166,935.66
  4. Step 4: Simplify right side
    302,896.74x = 69,779,164,307.48
  5. Step 5: Solve for x
    x = 69,779,164,307.48/302,896.74
  6. Step 6: Final answer
    x = 230,372.78

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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.