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Finding the Fourth Proportional to 705,473.92, 973,561.16 and 383,190.32

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Solution

The fourth proportional to 705,473.92, 973,561.16 and 383,190.32 is: 528,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,473.92 : 973,561.16 = 383,190.32 : x
  2. Step 2: Convert to fraction form
    705,473.92/973,561.16 = 383,190.32/x
  3. Step 3: Cross multiply
    705,473.92x = 973,561.16 × 383,190.32
  4. Step 4: Simplify right side
    705,473.92x = 373,059,212,439.97
  5. Step 5: Solve for x
    x = 373,059,212,439.97/705,473.92
  6. Step 6: Final answer
    x = 528,806.53

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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.