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Finding the Fourth Proportional to 533,915.84, 800,873.76 and 245,698.40

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Solution

The fourth proportional to 533,915.84, 800,873.76 and 245,698.40 is: 368,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,915.84 : 800,873.76 = 245,698.40 : x
  2. Step 2: Convert to fraction form
    533,915.84/800,873.76 = 245,698.40/x
  3. Step 3: Cross multiply
    533,915.84x = 800,873.76 × 245,698.40
  4. Step 4: Simplify right side
    533,915.84x = 196,773,401,433.98
  5. Step 5: Solve for x
    x = 196,773,401,433.98/533,915.84
  6. Step 6: Final answer
    x = 368,547.60

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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.