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Finding the Fourth Proportional to 369,616.10, 518,512.30 and 369,616.10

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Solution

The fourth proportional to 369,616.10, 518,512.30 and 369,616.10 is: 518,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,616.10 : 518,512.30 = 369,616.10 : x
  2. Step 2: Convert to fraction form
    369,616.10/518,512.30 = 369,616.10/x
  3. Step 3: Cross multiply
    369,616.10x = 518,512.30 × 369,616.10
  4. Step 4: Simplify right side
    369,616.10x = 191,650,494,128.03
  5. Step 5: Solve for x
    x = 191,650,494,128.03/369,616.10
  6. Step 6: Final answer
    x = 518,512.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.