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Finding the Fourth Proportional to 369,768.30, 553,668.30 and 235,923.90

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Solution

The fourth proportional to 369,768.30, 553,668.30 and 235,923.90 is: 353,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,768.30 : 553,668.30 = 235,923.90 : x
  2. Step 2: Convert to fraction form
    369,768.30/553,668.30 = 235,923.90/x
  3. Step 3: Cross multiply
    369,768.30x = 553,668.30 × 235,923.90
  4. Step 4: Simplify right side
    369,768.30x = 130,623,584,642.37
  5. Step 5: Solve for x
    x = 130,623,584,642.37/369,768.30
  6. Step 6: Final answer
    x = 353,257.93

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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.