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Finding the Fourth Proportional to 323,291.70, 484,937.60 and 98,653.32

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Solution

The fourth proportional to 323,291.70, 484,937.60 and 98,653.32 is: 147,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,291.70 : 484,937.60 = 98,653.32 : x
  2. Step 2: Convert to fraction form
    323,291.70/484,937.60 = 98,653.32/x
  3. Step 3: Cross multiply
    323,291.70x = 484,937.60 × 98,653.32
  4. Step 4: Simplify right side
    323,291.70x = 47,840,704,232.83
  5. Step 5: Solve for x
    x = 47,840,704,232.83/323,291.70
  6. Step 6: Final answer
    x = 147,980.00

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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.