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Finding the Fourth Proportional to 277,665.13, 416,496.32 and 67,303.07

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Solution

The fourth proportional to 277,665.13, 416,496.32 and 67,303.07 is: 100,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,665.13 : 416,496.32 = 67,303.07 : x
  2. Step 2: Convert to fraction form
    277,665.13/416,496.32 = 67,303.07/x
  3. Step 3: Cross multiply
    277,665.13x = 416,496.32 × 67,303.07
  4. Step 4: Simplify right side
    277,665.13x = 28,031,480,979.70
  5. Step 5: Solve for x
    x = 28,031,480,979.70/277,665.13
  6. Step 6: Final answer
    x = 100,954.27

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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.