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Finding the Fourth Proportional to 357,698.48, 536,630.64 and 104,968.72

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Solution

The fourth proportional to 357,698.48, 536,630.64 and 104,968.72 is: 157,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,698.48 : 536,630.64 = 104,968.72 : x
  2. Step 2: Convert to fraction form
    357,698.48/536,630.64 = 104,968.72/x
  3. Step 3: Cross multiply
    357,698.48x = 536,630.64 × 104,968.72
  4. Step 4: Simplify right side
    357,698.48x = 56,329,431,393.58
  5. Step 5: Solve for x
    x = 56,329,431,393.58/357,698.48
  6. Step 6: Final answer
    x = 157,477.41

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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.