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Finding the Fourth Proportional to 706,041.14, 974,343.24 and 383,751.98

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Solution

The fourth proportional to 706,041.14, 974,343.24 and 383,751.98 is: 529,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,041.14 : 974,343.24 = 383,751.98 : x
  2. Step 2: Convert to fraction form
    706,041.14/974,343.24 = 383,751.98/x
  3. Step 3: Cross multiply
    706,041.14x = 974,343.24 × 383,751.98
  4. Step 4: Simplify right side
    706,041.14x = 373,906,147,549.62
  5. Step 5: Solve for x
    x = 373,906,147,549.62/706,041.14
  6. Step 6: Final answer
    x = 529,581.25

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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.