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Finding the Fourth Proportional to 450,783.71, 676,197.43 and 371,753.63

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Solution

The fourth proportional to 450,783.71, 676,197.43 and 371,753.63 is: 557,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,783.71 : 676,197.43 = 371,753.63 : x
  2. Step 2: Convert to fraction form
    450,783.71/676,197.43 = 371,753.63/x
  3. Step 3: Cross multiply
    450,783.71x = 676,197.43 × 371,753.63
  4. Step 4: Simplify right side
    450,783.71x = 251,378,844,888.80
  5. Step 5: Solve for x
    x = 251,378,844,888.80/450,783.71
  6. Step 6: Final answer
    x = 557,648.47

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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.