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Finding the Fourth Proportional to 303,283.42, 418,532.51 and 167,317.32

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Solution

The fourth proportional to 303,283.42, 418,532.51 and 167,317.32 is: 230,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,283.42 : 418,532.51 = 167,317.32 : x
  2. Step 2: Convert to fraction form
    303,283.42/418,532.51 = 167,317.32/x
  3. Step 3: Cross multiply
    303,283.42x = 418,532.51 × 167,317.32
  4. Step 4: Simplify right side
    303,283.42x = 70,027,737,274.83
  5. Step 5: Solve for x
    x = 70,027,737,274.83/303,283.42
  6. Step 6: Final answer
    x = 230,898.67

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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.