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Finding the Fourth Proportional to 471,308.58, 706,856.31 and 134,342.01

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Solution

The fourth proportional to 471,308.58, 706,856.31 and 134,342.01 is: 201,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,308.58 : 706,856.31 = 134,342.01 : x
  2. Step 2: Convert to fraction form
    471,308.58/706,856.31 = 134,342.01/x
  3. Step 3: Cross multiply
    471,308.58x = 706,856.31 × 134,342.01
  4. Step 4: Simplify right side
    471,308.58x = 94,960,497,466.58
  5. Step 5: Solve for x
    x = 94,960,497,466.58/471,308.58
  6. Step 6: Final answer
    x = 201,482.64

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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.