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Finding the Fourth Proportional to 319,585.70, 479,295.59 and 94,893.32

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Solution

The fourth proportional to 319,585.70, 479,295.59 and 94,893.32 is: 142,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,585.70 : 479,295.59 = 94,893.32 : x
  2. Step 2: Convert to fraction form
    319,585.70/479,295.59 = 94,893.32/x
  3. Step 3: Cross multiply
    319,585.70x = 479,295.59 × 94,893.32
  4. Step 4: Simplify right side
    319,585.70x = 45,481,946,925.51
  5. Step 5: Solve for x
    x = 45,481,946,925.51/319,585.70
  6. Step 6: Final answer
    x = 142,315.34

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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.