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Finding the Fourth Proportional to 533,913.84, 800,870.76 and 245,696.40

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Solution

The fourth proportional to 533,913.84, 800,870.76 and 245,696.40 is: 368,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,913.84 : 800,870.76 = 245,696.40 : x
  2. Step 2: Convert to fraction form
    533,913.84/800,870.76 = 245,696.40/x
  3. Step 3: Cross multiply
    533,913.84x = 800,870.76 × 245,696.40
  4. Step 4: Simplify right side
    533,913.84x = 196,771,062,597.26
  5. Step 5: Solve for x
    x = 196,771,062,597.26/533,913.84
  6. Step 6: Final answer
    x = 368,544.60

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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.