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Finding the Fourth Proportional to 595,512.15, 821,714.25 and 353,788.51

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Solution

The fourth proportional to 595,512.15, 821,714.25 and 353,788.51 is: 488,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,512.15 : 821,714.25 = 353,788.51 : x
  2. Step 2: Convert to fraction form
    595,512.15/821,714.25 = 353,788.51/x
  3. Step 3: Cross multiply
    595,512.15x = 821,714.25 × 353,788.51
  4. Step 4: Simplify right side
    595,512.15x = 290,713,060,153.27
  5. Step 5: Solve for x
    x = 290,713,060,153.27/595,512.15
  6. Step 6: Final answer
    x = 488,173.18

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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.