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Finding the Fourth Proportional to 706,029.30, 974,326.32 and 383,739.30

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Solution

The fourth proportional to 706,029.30, 974,326.32 and 383,739.30 is: 529,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,029.30 : 974,326.32 = 383,739.30 : x
  2. Step 2: Convert to fraction form
    706,029.30/974,326.32 = 383,739.30/x
  3. Step 3: Cross multiply
    706,029.30x = 974,326.32 × 383,739.30
  4. Step 4: Simplify right side
    706,029.30x = 373,887,300,008.38
  5. Step 5: Solve for x
    x = 373,887,300,008.38/706,029.30
  6. Step 6: Final answer
    x = 529,563.43

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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.