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Finding the Fourth Proportional to 501,635.16, 692,831.48 and 330,318.95

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Solution

The fourth proportional to 501,635.16, 692,831.48 and 330,318.95 is: 456,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,635.16 : 692,831.48 = 330,318.95 : x
  2. Step 2: Convert to fraction form
    501,635.16/692,831.48 = 330,318.95/x
  3. Step 3: Cross multiply
    501,635.16x = 692,831.48 × 330,318.95
  4. Step 4: Simplify right side
    501,635.16x = 228,855,361,884.79
  5. Step 5: Solve for x
    x = 228,855,361,884.79/501,635.16
  6. Step 6: Final answer
    x = 456,218.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.