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Finding the Fourth Proportional to 476,486.44, 657,552.24 and 258,695.36

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Solution

The fourth proportional to 476,486.44, 657,552.24 and 258,695.36 is: 357,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,486.44 : 657,552.24 = 258,695.36 : x
  2. Step 2: Convert to fraction form
    476,486.44/657,552.24 = 258,695.36/x
  3. Step 3: Cross multiply
    476,486.44x = 657,552.24 × 258,695.36
  4. Step 4: Simplify right side
    476,486.44x = 170,105,713,445.61
  5. Step 5: Solve for x
    x = 170,105,713,445.61/476,486.44
  6. Step 6: Final answer
    x = 357,000.11

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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.