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Finding the Fourth Proportional to 706,026.45, 974,326.38 and 383,736.45

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Solution

The fourth proportional to 706,026.45, 974,326.38 and 383,736.45 is: 529,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,026.45 : 974,326.38 = 383,736.45 : x
  2. Step 2: Convert to fraction form
    706,026.45/974,326.38 = 383,736.45/x
  3. Step 3: Cross multiply
    706,026.45x = 974,326.38 × 383,736.45
  4. Step 4: Simplify right side
    706,026.45x = 373,884,546,202.55
  5. Step 5: Solve for x
    x = 373,884,546,202.55/706,026.45
  6. Step 6: Final answer
    x = 529,561.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.