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Finding the Fourth Proportional to 404,530.40, 607,038.60 and 167,848.40

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Solution

The fourth proportional to 404,530.40, 607,038.60 and 167,848.40 is: 251,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,530.40 : 607,038.60 = 167,848.40 : x
  2. Step 2: Convert to fraction form
    404,530.40/607,038.60 = 167,848.40/x
  3. Step 3: Cross multiply
    404,530.40x = 607,038.60 × 167,848.40
  4. Step 4: Simplify right side
    404,530.40x = 101,890,457,748.24
  5. Step 5: Solve for x
    x = 101,890,457,748.24/404,530.40
  6. Step 6: Final answer
    x = 251,873.43

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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.