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Finding the Fourth Proportional to 594,991.27, 821,005.32 and 349,987.15

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Solution

The fourth proportional to 594,991.27, 821,005.32 and 349,987.15 is: 482,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,991.27 : 821,005.32 = 349,987.15 : x
  2. Step 2: Convert to fraction form
    594,991.27/821,005.32 = 349,987.15/x
  3. Step 3: Cross multiply
    594,991.27x = 821,005.32 × 349,987.15
  4. Step 4: Simplify right side
    594,991.27x = 287,341,312,081.64
  5. Step 5: Solve for x
    x = 287,341,312,081.64/594,991.27
  6. Step 6: Final answer
    x = 482,933.66

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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.