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Finding the Fourth Proportional to 528,657.54, 792,979.47 and 129,301.62

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Solution

The fourth proportional to 528,657.54, 792,979.47 and 129,301.62 is: 193,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,657.54 : 792,979.47 = 129,301.62 : x
  2. Step 2: Convert to fraction form
    528,657.54/792,979.47 = 129,301.62/x
  3. Step 3: Cross multiply
    528,657.54x = 792,979.47 × 129,301.62
  4. Step 4: Simplify right side
    528,657.54x = 102,533,530,097.74
  5. Step 5: Solve for x
    x = 102,533,530,097.74/528,657.54
  6. Step 6: Final answer
    x = 193,950.76

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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.