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Finding the Fourth Proportional to 511,287.08, 706,851.64 and 383,741.24

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Solution

The fourth proportional to 511,287.08, 706,851.64 and 383,741.24 is: 530,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,287.08 : 706,851.64 = 383,741.24 : x
  2. Step 2: Convert to fraction form
    511,287.08/706,851.64 = 383,741.24/x
  3. Step 3: Cross multiply
    511,287.08x = 706,851.64 × 383,741.24
  4. Step 4: Simplify right side
    511,287.08x = 271,248,124,829.63
  5. Step 5: Solve for x
    x = 271,248,124,829.63/511,287.08
  6. Step 6: Final answer
    x = 530,520.20

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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.