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Finding the Fourth Proportional to 313,875.83, 433,130.26 and 170,634.62

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Solution

The fourth proportional to 313,875.83, 433,130.26 and 170,634.62 is: 235,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,875.83 : 433,130.26 = 170,634.62 : x
  2. Step 2: Convert to fraction form
    313,875.83/433,130.26 = 170,634.62/x
  3. Step 3: Cross multiply
    313,875.83x = 433,130.26 × 170,634.62
  4. Step 4: Simplify right side
    313,875.83x = 73,907,017,325.60
  5. Step 5: Solve for x
    x = 73,907,017,325.60/313,875.83
  6. Step 6: Final answer
    x = 235,465.78

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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.