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Finding the Fourth Proportional to 693,192.20, 972,568.60 and 693,192.20

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Solution

The fourth proportional to 693,192.20, 972,568.60 and 693,192.20 is: 972,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,192.20 : 972,568.60 = 693,192.20 : x
  2. Step 2: Convert to fraction form
    693,192.20/972,568.60 = 693,192.20/x
  3. Step 3: Cross multiply
    693,192.20x = 972,568.60 × 693,192.20
  4. Step 4: Simplify right side
    693,192.20x = 674,176,967,484.92
  5. Step 5: Solve for x
    x = 674,176,967,484.92/693,192.20
  6. Step 6: Final answer
    x = 972,568.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.