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Finding the Fourth Proportional to 247,279.57, 370,920.26 and 60,291.07

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Solution

The fourth proportional to 247,279.57, 370,920.26 and 60,291.07 is: 90,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,279.57 : 370,920.26 = 60,291.07 : x
  2. Step 2: Convert to fraction form
    247,279.57/370,920.26 = 60,291.07/x
  3. Step 3: Cross multiply
    247,279.57x = 370,920.26 × 60,291.07
  4. Step 4: Simplify right side
    247,279.57x = 22,363,178,583.51
  5. Step 5: Solve for x
    x = 22,363,178,583.51/247,279.57
  6. Step 6: Final answer
    x = 90,436.82

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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.