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Finding the Fourth Proportional to 357,028.67, 492,683.23 and 195,880.39

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Solution

The fourth proportional to 357,028.67, 492,683.23 and 195,880.39 is: 270,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,028.67 : 492,683.23 = 195,880.39 : x
  2. Step 2: Convert to fraction form
    357,028.67/492,683.23 = 195,880.39/x
  3. Step 3: Cross multiply
    357,028.67x = 492,683.23 × 195,880.39
  4. Step 4: Simplify right side
    357,028.67x = 96,506,983,238.86
  5. Step 5: Solve for x
    x = 96,506,983,238.86/357,028.67
  6. Step 6: Final answer
    x = 270,305.98

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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.