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Finding the Fourth Proportional to 448,710.50, 619,264.24 and 247,506.50

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Solution

The fourth proportional to 448,710.50, 619,264.24 and 247,506.50 is: 341,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,710.50 : 619,264.24 = 247,506.50 : x
  2. Step 2: Convert to fraction form
    448,710.50/619,264.24 = 247,506.50/x
  3. Step 3: Cross multiply
    448,710.50x = 619,264.24 × 247,506.50
  4. Step 4: Simplify right side
    448,710.50x = 153,271,924,617.56
  5. Step 5: Solve for x
    x = 153,271,924,617.56/448,710.50
  6. Step 6: Final answer
    x = 341,583.10

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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.