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Finding the Fourth Proportional to 613,450.01, 920,209.33 and 186,999.69

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Solution

The fourth proportional to 613,450.01, 920,209.33 and 186,999.69 is: 280,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,450.01 : 920,209.33 = 186,999.69 : x
  2. Step 2: Convert to fraction form
    613,450.01/920,209.33 = 186,999.69/x
  3. Step 3: Cross multiply
    613,450.01x = 920,209.33 × 186,999.69
  4. Step 4: Simplify right side
    613,450.01x = 172,078,858,479.40
  5. Step 5: Solve for x
    x = 172,078,858,479.40/613,450.01
  6. Step 6: Final answer
    x = 280,510.00

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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.