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Finding the Fourth Proportional to 525,091.40, 786,729.90 and 244,032.20

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Solution

The fourth proportional to 525,091.40, 786,729.90 and 244,032.20 is: 365,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,091.40 : 786,729.90 = 244,032.20 : x
  2. Step 2: Convert to fraction form
    525,091.40/786,729.90 = 244,032.20/x
  3. Step 3: Cross multiply
    525,091.40x = 786,729.90 × 244,032.20
  4. Step 4: Simplify right side
    525,091.40x = 191,987,428,302.78
  5. Step 5: Solve for x
    x = 191,987,428,302.78/525,091.40
  6. Step 6: Final answer
    x = 365,626.69

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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.