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Finding the Fourth Proportional to 299,312.20, 448,968.30 and 299,312.20

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Solution

The fourth proportional to 299,312.20, 448,968.30 and 299,312.20 is: 448,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,312.20 : 448,968.30 = 299,312.20 : x
  2. Step 2: Convert to fraction form
    299,312.20/448,968.30 = 299,312.20/x
  3. Step 3: Cross multiply
    299,312.20x = 448,968.30 × 299,312.20
  4. Step 4: Simplify right side
    299,312.20x = 134,381,689,603.26
  5. Step 5: Solve for x
    x = 134,381,689,603.26/299,312.20
  6. Step 6: Final answer
    x = 448,968.30

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1.5x scale

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.