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Finding the Fourth Proportional to 313,875.72, 433,157.04 and 170,645.40

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Solution

The fourth proportional to 313,875.72, 433,157.04 and 170,645.40 is: 235,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,875.72 : 433,157.04 = 170,645.40 : x
  2. Step 2: Convert to fraction form
    313,875.72/433,157.04 = 170,645.40/x
  3. Step 3: Cross multiply
    313,875.72x = 433,157.04 × 170,645.40
  4. Step 4: Simplify right side
    313,875.72x = 73,916,256,353.62
  5. Step 5: Solve for x
    x = 73,916,256,353.62/313,875.72
  6. Step 6: Final answer
    x = 235,495.30

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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.