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Finding the Fourth Proportional to 313,476.34, 432,573.38 and 184,419.94

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Solution

The fourth proportional to 313,476.34, 432,573.38 and 184,419.94 is: 254,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,476.34 : 432,573.38 = 184,419.94 : x
  2. Step 2: Convert to fraction form
    313,476.34/432,573.38 = 184,419.94/x
  3. Step 3: Cross multiply
    313,476.34x = 432,573.38 × 184,419.94
  4. Step 4: Simplify right side
    313,476.34x = 79,775,156,785.20
  5. Step 5: Solve for x
    x = 79,775,156,785.20/313,476.34
  6. Step 6: Final answer
    x = 254,485.42

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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.