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Finding the Fourth Proportional to 228,358.44, 342,570.45 and 70,599.21

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Solution

The fourth proportional to 228,358.44, 342,570.45 and 70,599.21 is: 105,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,358.44 : 342,570.45 = 70,599.21 : x
  2. Step 2: Convert to fraction form
    228,358.44/342,570.45 = 70,599.21/x
  3. Step 3: Cross multiply
    228,358.44x = 342,570.45 × 70,599.21
  4. Step 4: Simplify right side
    228,358.44x = 24,185,203,139.34
  5. Step 5: Solve for x
    x = 24,185,203,139.34/228,358.44
  6. Step 6: Final answer
    x = 105,908.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.