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Finding the Fourth Proportional to 333,665.90, 500,261.06 and 156,076.10

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Solution

The fourth proportional to 333,665.90, 500,261.06 and 156,076.10 is: 234,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,665.90 : 500,261.06 = 156,076.10 : x
  2. Step 2: Convert to fraction form
    333,665.90/500,261.06 = 156,076.10/x
  3. Step 3: Cross multiply
    333,665.90x = 500,261.06 × 156,076.10
  4. Step 4: Simplify right side
    333,665.90x = 78,078,795,226.67
  5. Step 5: Solve for x
    x = 78,078,795,226.67/333,665.90
  6. Step 6: Final answer
    x = 234,002.92

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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.