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Finding the Fourth Proportional to 248,294.60, 342,683.45 and 146,287.45

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Solution

The fourth proportional to 248,294.60, 342,683.45 and 146,287.45 is: 201,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,294.60 : 342,683.45 = 146,287.45 : x
  2. Step 2: Convert to fraction form
    248,294.60/342,683.45 = 146,287.45/x
  3. Step 3: Cross multiply
    248,294.60x = 342,683.45 × 146,287.45
  4. Step 4: Simplify right side
    248,294.60x = 50,130,288,057.70
  5. Step 5: Solve for x
    x = 50,130,288,057.70/248,294.60
  6. Step 6: Final answer
    x = 201,898.42

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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.