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Finding the Fourth Proportional to 310,889.52, 465,889.32 and 133,349.04

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Solution

The fourth proportional to 310,889.52, 465,889.32 and 133,349.04 is: 199,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,889.52 : 465,889.32 = 133,349.04 : x
  2. Step 2: Convert to fraction form
    310,889.52/465,889.32 = 133,349.04/x
  3. Step 3: Cross multiply
    310,889.52x = 465,889.32 × 133,349.04
  4. Step 4: Simplify right side
    310,889.52x = 62,125,893,568.25
  5. Step 5: Solve for x
    x = 62,125,893,568.25/310,889.52
  6. Step 6: Final answer
    x = 199,832.70

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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.