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Finding the Fourth Proportional to 302,831.53, 454,348.44 and 134,328.65

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Solution

The fourth proportional to 302,831.53, 454,348.44 and 134,328.65 is: 201,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,831.53 : 454,348.44 = 134,328.65 : x
  2. Step 2: Convert to fraction form
    302,831.53/454,348.44 = 134,328.65/x
  3. Step 3: Cross multiply
    302,831.53x = 454,348.44 × 134,328.65
  4. Step 4: Simplify right side
    302,831.53x = 61,032,010,303.06
  5. Step 5: Solve for x
    x = 61,032,010,303.06/302,831.53
  6. Step 6: Final answer
    x = 201,537.83

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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.