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Finding the Fourth Proportional to 219,304.66, 302,646.33 and 133,234.34

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Solution

The fourth proportional to 219,304.66, 302,646.33 and 133,234.34 is: 183,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,304.66 : 302,646.33 = 133,234.34 : x
  2. Step 2: Convert to fraction form
    219,304.66/302,646.33 = 133,234.34/x
  3. Step 3: Cross multiply
    219,304.66x = 302,646.33 × 133,234.34
  4. Step 4: Simplify right side
    219,304.66x = 40,322,884,030.97
  5. Step 5: Solve for x
    x = 40,322,884,030.97/219,304.66
  6. Step 6: Final answer
    x = 183,866.97

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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.