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Finding the Fourth Proportional to 313,798.34, 433,042.27 and 170,558.01

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Solution

The fourth proportional to 313,798.34, 433,042.27 and 170,558.01 is: 235,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,798.34 : 433,042.27 = 170,558.01 : x
  2. Step 2: Convert to fraction form
    313,798.34/433,042.27 = 170,558.01/x
  3. Step 3: Cross multiply
    313,798.34x = 433,042.27 × 170,558.01
  4. Step 4: Simplify right side
    313,798.34x = 73,858,827,390.69
  5. Step 5: Solve for x
    x = 73,858,827,390.69/313,798.34
  6. Step 6: Final answer
    x = 235,370.36

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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.