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Finding the Fourth Proportional to 333,658.20, 460,397.34 and 190,428.60

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Solution

The fourth proportional to 333,658.20, 460,397.34 and 190,428.60 is: 262,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,658.20 : 460,397.34 = 190,428.60 : x
  2. Step 2: Convert to fraction form
    333,658.20/460,397.34 = 190,428.60/x
  3. Step 3: Cross multiply
    333,658.20x = 460,397.34 × 190,428.60
  4. Step 4: Simplify right side
    333,658.20x = 87,672,820,899.92
  5. Step 5: Solve for x
    x = 87,672,820,899.92/333,658.20
  6. Step 6: Final answer
    x = 262,762.37

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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.