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Finding the Fourth Proportional to 334,213.84, 501,203.96 and 134,482.40

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Solution

The fourth proportional to 334,213.84, 501,203.96 and 134,482.40 is: 201,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,213.84 : 501,203.96 = 134,482.40 : x
  2. Step 2: Convert to fraction form
    334,213.84/501,203.96 = 134,482.40/x
  3. Step 3: Cross multiply
    334,213.84x = 501,203.96 × 134,482.40
  4. Step 4: Simplify right side
    334,213.84x = 67,403,111,430.30
  5. Step 5: Solve for x
    x = 67,403,111,430.30/334,213.84
  6. Step 6: Final answer
    x = 201,676.60

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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.