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Finding the Fourth Proportional to 484,806.08, 727,258.88 and 185,538.40

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Solution

The fourth proportional to 484,806.08, 727,258.88 and 185,538.40 is: 278,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,806.08 : 727,258.88 = 185,538.40 : x
  2. Step 2: Convert to fraction form
    484,806.08/727,258.88 = 185,538.40/x
  3. Step 3: Cross multiply
    484,806.08x = 727,258.88 × 185,538.40
  4. Step 4: Simplify right side
    484,806.08x = 134,934,448,980.99
  5. Step 5: Solve for x
    x = 134,934,448,980.99/484,806.08
  6. Step 6: Final answer
    x = 278,326.64

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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.