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Finding the Fourth Proportional to 334,526.60, 501,644.10 and 134,780.60

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Solution

The fourth proportional to 334,526.60, 501,644.10 and 134,780.60 is: 202,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,526.60 : 501,644.10 = 134,780.60 : x
  2. Step 2: Convert to fraction form
    334,526.60/501,644.10 = 134,780.60/x
  3. Step 3: Cross multiply
    334,526.60x = 501,644.10 × 134,780.60
  4. Step 4: Simplify right side
    334,526.60x = 67,611,892,784.46
  5. Step 5: Solve for x
    x = 67,611,892,784.46/334,526.60
  6. Step 6: Final answer
    x = 202,112.16

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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.