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Finding the Fourth Proportional to 684,300.64, 944,305.14 and 374,197.48

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Solution

The fourth proportional to 684,300.64, 944,305.14 and 374,197.48 is: 516,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,300.64 : 944,305.14 = 374,197.48 : x
  2. Step 2: Convert to fraction form
    684,300.64/944,305.14 = 374,197.48/x
  3. Step 3: Cross multiply
    684,300.64x = 944,305.14 × 374,197.48
  4. Step 4: Simplify right side
    684,300.64x = 353,356,603,739.05
  5. Step 5: Solve for x
    x = 353,356,603,739.05/684,300.64
  6. Step 6: Final answer
    x = 516,376.26

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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.