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Finding the Fourth Proportional to 452,015.28, 623,779.13 and 248,069.50

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Solution

The fourth proportional to 452,015.28, 623,779.13 and 248,069.50 is: 342,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,015.28 : 623,779.13 = 248,069.50 : x
  2. Step 2: Convert to fraction form
    452,015.28/623,779.13 = 248,069.50/x
  3. Step 3: Cross multiply
    452,015.28x = 623,779.13 × 248,069.50
  4. Step 4: Simplify right side
    452,015.28x = 154,740,578,190.65
  5. Step 5: Solve for x
    x = 154,740,578,190.65/452,015.28
  6. Step 6: Final answer
    x = 342,334.84

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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.