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Finding the Fourth Proportional to 308,076.70, 461,337.45 and 202,323.10

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Solution

The fourth proportional to 308,076.70, 461,337.45 and 202,323.10 is: 302,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,076.70 : 461,337.45 = 202,323.10 : x
  2. Step 2: Convert to fraction form
    308,076.70/461,337.45 = 202,323.10/x
  3. Step 3: Cross multiply
    308,076.70x = 461,337.45 × 202,323.10
  4. Step 4: Simplify right side
    308,076.70x = 93,339,223,030.10
  5. Step 5: Solve for x
    x = 93,339,223,030.10/308,076.70
  6. Step 6: Final answer
    x = 302,973.98

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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.