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Finding the Fourth Proportional to 358,365.78, 537,507.09 and 133,734.06

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Solution

The fourth proportional to 358,365.78, 537,507.09 and 133,734.06 is: 200,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,365.78 : 537,507.09 = 133,734.06 : x
  2. Step 2: Convert to fraction form
    358,365.78/537,507.09 = 133,734.06/x
  3. Step 3: Cross multiply
    358,365.78x = 537,507.09 × 133,734.06
  4. Step 4: Simplify right side
    358,365.78x = 71,883,005,424.49
  5. Step 5: Solve for x
    x = 71,883,005,424.49/358,365.78
  6. Step 6: Final answer
    x = 200,585.57

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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.