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Finding the Fourth Proportional to 679,585.57, 937,804.09 and 373,659.81

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Solution

The fourth proportional to 679,585.57, 937,804.09 and 373,659.81 is: 515,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,585.57 : 937,804.09 = 373,659.81 : x
  2. Step 2: Convert to fraction form
    679,585.57/937,804.09 = 373,659.81/x
  3. Step 3: Cross multiply
    679,585.57x = 937,804.09 × 373,659.81
  4. Step 4: Simplify right side
    679,585.57x = 350,419,697,499.35
  5. Step 5: Solve for x
    x = 350,419,697,499.35/679,585.57
  6. Step 6: Final answer
    x = 515,637.34

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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.