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Finding the Fourth Proportional to 334,567.34, 461,643.34 and 189,372.40

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Solution

The fourth proportional to 334,567.34, 461,643.34 and 189,372.40 is: 261,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,567.34 : 461,643.34 = 189,372.40 : x
  2. Step 2: Convert to fraction form
    334,567.34/461,643.34 = 189,372.40/x
  3. Step 3: Cross multiply
    334,567.34x = 461,643.34 × 189,372.40
  4. Step 4: Simplify right side
    334,567.34x = 87,422,507,239.82
  5. Step 5: Solve for x
    x = 87,422,507,239.82/334,567.34
  6. Step 6: Final answer
    x = 261,300.18

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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.