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Finding the Fourth Proportional to 358,675.08, 538,010.46 and 109,357.08

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Solution

The fourth proportional to 358,675.08, 538,010.46 and 109,357.08 is: 164,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,675.08 : 538,010.46 = 109,357.08 : x
  2. Step 2: Convert to fraction form
    358,675.08/538,010.46 = 109,357.08/x
  3. Step 3: Cross multiply
    358,675.08x = 538,010.46 × 109,357.08
  4. Step 4: Simplify right side
    358,675.08x = 58,835,252,915.06
  5. Step 5: Solve for x
    x = 58,835,252,915.06/358,675.08
  6. Step 6: Final answer
    x = 164,034.96

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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.