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Finding the Fourth Proportional to 610,085.50, 915,262.26 and 250,258.48

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Solution

The fourth proportional to 610,085.50, 915,262.26 and 250,258.48 is: 375,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,085.50 : 915,262.26 = 250,258.48 : x
  2. Step 2: Convert to fraction form
    610,085.50/915,262.26 = 250,258.48/x
  3. Step 3: Cross multiply
    610,085.50x = 915,262.26 × 250,258.48
  4. Step 4: Simplify right side
    610,085.50x = 229,052,141,988.97
  5. Step 5: Solve for x
    x = 229,052,141,988.97/610,085.50
  6. Step 6: Final answer
    x = 375,442.69

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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.