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Finding the Fourth Proportional to 333,623.80, 500,435.70 and 146,999.80

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Solution

The fourth proportional to 333,623.80, 500,435.70 and 146,999.80 is: 220,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,623.80 : 500,435.70 = 146,999.80 : x
  2. Step 2: Convert to fraction form
    333,623.80/500,435.70 = 146,999.80/x
  3. Step 3: Cross multiply
    333,623.80x = 500,435.70 × 146,999.80
  4. Step 4: Simplify right side
    333,623.80x = 73,563,947,812.86
  5. Step 5: Solve for x
    x = 73,563,947,812.86/333,623.80
  6. Step 6: Final answer
    x = 220,499.70

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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.