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Finding the Fourth Proportional to 624,534.95, 936,396.47 and 245,492.78

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Solution

The fourth proportional to 624,534.95, 936,396.47 and 245,492.78 is: 368,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,534.95 : 936,396.47 = 245,492.78 : x
  2. Step 2: Convert to fraction form
    624,534.95/936,396.47 = 245,492.78/x
  3. Step 3: Cross multiply
    624,534.95x = 936,396.47 × 245,492.78
  4. Step 4: Simplify right side
    624,534.95x = 229,878,568,534.24
  5. Step 5: Solve for x
    x = 229,878,568,534.24/624,534.95
  6. Step 6: Final answer
    x = 368,079.59

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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.