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Finding the Fourth Proportional to 346,012.77, 477,496.84 and 195,108.69

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Solution

The fourth proportional to 346,012.77, 477,496.84 and 195,108.69 is: 269,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,012.77 : 477,496.84 = 195,108.69 : x
  2. Step 2: Convert to fraction form
    346,012.77/477,496.84 = 195,108.69/x
  3. Step 3: Cross multiply
    346,012.77x = 477,496.84 × 195,108.69
  4. Step 4: Simplify right side
    346,012.77x = 93,163,782,931.54
  5. Step 5: Solve for x
    x = 93,163,782,931.54/346,012.77
  6. Step 6: Final answer
    x = 269,249.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.