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Finding the Fourth Proportional to 357,483, 536,298.36 and 104,771.79

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Solution

The fourth proportional to 357,483, 536,298.36 and 104,771.79 is: 157,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,483 : 536,298.36 = 104,771.79 : x
  2. Step 2: Convert to fraction form
    357,483/536,298.36 = 104,771.79/x
  3. Step 3: Cross multiply
    357,483x = 536,298.36 × 104,771.79
  4. Step 4: Simplify right side
    357,483x = 56,188,939,151.26
  5. Step 5: Solve for x
    x = 56,188,939,151.26/357,483
  6. Step 6: Final answer
    x = 157,179.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.