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Finding the Fourth Proportional to 313,798.09, 433,044.75 and 170,558.20

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Solution

The fourth proportional to 313,798.09, 433,044.75 and 170,558.20 is: 235,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,798.09 : 433,044.75 = 170,558.20 : x
  2. Step 2: Convert to fraction form
    313,798.09/433,044.75 = 170,558.20/x
  3. Step 3: Cross multiply
    313,798.09x = 433,044.75 × 170,558.20
  4. Step 4: Simplify right side
    313,798.09x = 73,859,333,079.45
  5. Step 5: Solve for x
    x = 73,859,333,079.45/313,798.09
  6. Step 6: Final answer
    x = 235,372.16

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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.