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Finding the Fourth Proportional to 533,708.64, 736,263.45 and 329,686.11

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Solution

The fourth proportional to 533,708.64, 736,263.45 and 329,686.11 is: 454,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,708.64 : 736,263.45 = 329,686.11 : x
  2. Step 2: Convert to fraction form
    533,708.64/736,263.45 = 329,686.11/x
  3. Step 3: Cross multiply
    533,708.64x = 736,263.45 × 329,686.11
  4. Step 4: Simplify right side
    533,708.64x = 242,735,832,765.68
  5. Step 5: Solve for x
    x = 242,735,832,765.68/533,708.64
  6. Step 6: Final answer
    x = 454,809.64

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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.