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Finding the Fourth Proportional to 610,081.50, 915,256.26 and 250,254.48

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Solution

The fourth proportional to 610,081.50, 915,256.26 and 250,254.48 is: 375,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,081.50 : 915,256.26 = 250,254.48 : x
  2. Step 2: Convert to fraction form
    610,081.50/915,256.26 = 250,254.48/x
  3. Step 3: Cross multiply
    610,081.50x = 915,256.26 × 250,254.48
  4. Step 4: Simplify right side
    610,081.50x = 229,046,979,413.05
  5. Step 5: Solve for x
    x = 229,046,979,413.05/610,081.50
  6. Step 6: Final answer
    x = 375,436.69

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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.