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Finding the Fourth Proportional to 706,042.27, 974,344.31 and 383,752.32

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Solution

The fourth proportional to 706,042.27, 974,344.31 and 383,752.32 is: 529,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,042.27 : 974,344.31 = 383,752.32 : x
  2. Step 2: Convert to fraction form
    706,042.27/974,344.31 = 383,752.32/x
  3. Step 3: Cross multiply
    706,042.27x = 974,344.31 × 383,752.32
  4. Step 4: Simplify right side
    706,042.27x = 373,906,889,441.30
  5. Step 5: Solve for x
    x = 373,906,889,441.30/706,042.27
  6. Step 6: Final answer
    x = 529,581.45

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1.5x scale

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.