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Finding the Fourth Proportional to 737,661.60, 1,018,027.44 and 415,406.88

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Solution

The fourth proportional to 737,661.60, 1,018,027.44 and 415,406.88 is: 573,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,661.60 : 1,018,027.44 = 415,406.88 : x
  2. Step 2: Convert to fraction form
    737,661.60/1,018,027.44 = 415,406.88/x
  3. Step 3: Cross multiply
    737,661.60x = 1,018,027.44 × 415,406.88
  4. Step 4: Simplify right side
    737,661.60x = 422,895,602,604.79
  5. Step 5: Solve for x
    x = 422,895,602,604.79/737,661.60
  6. Step 6: Final answer
    x = 573,292.15

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1.5x scale

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.