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Finding the Fourth Proportional to 595,015.44, 821,005.83 and 353,373.81

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Solution

The fourth proportional to 595,015.44, 821,005.83 and 353,373.81 is: 487,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,015.44 : 821,005.83 = 353,373.81 : x
  2. Step 2: Convert to fraction form
    595,015.44/821,005.83 = 353,373.81/x
  3. Step 3: Cross multiply
    595,015.44x = 821,005.83 × 353,373.81
  4. Step 4: Simplify right side
    595,015.44x = 290,121,958,179.31
  5. Step 5: Solve for x
    x = 290,121,958,179.31/595,015.44
  6. Step 6: Final answer
    x = 487,587.28

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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.