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Finding the Fourth Proportional to 922,751.70, 1,384,127.55 and 248,831.70

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Solution

The fourth proportional to 922,751.70, 1,384,127.55 and 248,831.70 is: 373,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,751.70 : 1,384,127.55 = 248,831.70 : x
  2. Step 2: Convert to fraction form
    922,751.70/1,384,127.55 = 248,831.70/x
  3. Step 3: Cross multiply
    922,751.70x = 1,384,127.55 × 248,831.70
  4. Step 4: Simplify right side
    922,751.70x = 344,414,811,283.34
  5. Step 5: Solve for x
    x = 344,414,811,283.34/922,751.70
  6. Step 6: Final answer
    x = 373,247.55

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Similar ratio
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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.