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Finding the Fourth Proportional to 346,825.56, 520,238.28 and 97,507.56

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Solution

The fourth proportional to 346,825.56, 520,238.28 and 97,507.56 is: 146,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,825.56 : 520,238.28 = 97,507.56 : x
  2. Step 2: Convert to fraction form
    346,825.56/520,238.28 = 97,507.56/x
  3. Step 3: Cross multiply
    346,825.56x = 520,238.28 × 97,507.56
  4. Step 4: Simplify right side
    346,825.56x = 50,727,165,301.40
  5. Step 5: Solve for x
    x = 50,727,165,301.40/346,825.56
  6. Step 6: Final answer
    x = 146,261.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.