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Finding the Fourth Proportional to 445,852.40, 668,966.16 and 277,513.52

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Solution

The fourth proportional to 445,852.40, 668,966.16 and 277,513.52 is: 416,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,852.40 : 668,966.16 = 277,513.52 : x
  2. Step 2: Convert to fraction form
    445,852.40/668,966.16 = 277,513.52/x
  3. Step 3: Cross multiply
    445,852.40x = 668,966.16 × 277,513.52
  4. Step 4: Simplify right side
    445,852.40x = 185,647,153,822.48
  5. Step 5: Solve for x
    x = 185,647,153,822.48/445,852.40
  6. Step 6: Final answer
    x = 416,387.02

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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.