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Finding the Fourth Proportional to 370,066.32, 510,690.96 and 200,301.12

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Solution

The fourth proportional to 370,066.32, 510,690.96 and 200,301.12 is: 276,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,066.32 : 510,690.96 = 200,301.12 : x
  2. Step 2: Convert to fraction form
    370,066.32/510,690.96 = 200,301.12/x
  3. Step 3: Cross multiply
    370,066.32x = 510,690.96 × 200,301.12
  4. Step 4: Simplify right side
    370,066.32x = 102,291,971,261.88
  5. Step 5: Solve for x
    x = 102,291,971,261.88/370,066.32
  6. Step 6: Final answer
    x = 276,415.24

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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.