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Finding the Fourth Proportional to 346,009.77, 477,492.71 and 195,105.69

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Solution

The fourth proportional to 346,009.77, 477,492.71 and 195,105.69 is: 269,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,009.77 : 477,492.71 = 195,105.69 : x
  2. Step 2: Convert to fraction form
    346,009.77/477,492.71 = 195,105.69/x
  3. Step 3: Cross multiply
    346,009.77x = 477,492.71 × 195,105.69
  4. Step 4: Simplify right side
    346,009.77x = 93,161,543,678.99
  5. Step 5: Solve for x
    x = 93,161,543,678.99/346,009.77
  6. Step 6: Final answer
    x = 269,245.41

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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.