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Finding the Fourth Proportional to 583,186.70, 804,700.20 and 325,007.25

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Solution

The fourth proportional to 583,186.70, 804,700.20 and 325,007.25 is: 448,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,186.70 : 804,700.20 = 325,007.25 : x
  2. Step 2: Convert to fraction form
    583,186.70/804,700.20 = 325,007.25/x
  3. Step 3: Cross multiply
    583,186.70x = 804,700.20 × 325,007.25
  4. Step 4: Simplify right side
    583,186.70x = 261,533,399,076.45
  5. Step 5: Solve for x
    x = 261,533,399,076.45/583,186.70
  6. Step 6: Final answer
    x = 448,455.70

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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.