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Finding the Fourth Proportional to 334,529.40, 501,113.70 and 207,780.60

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Solution

The fourth proportional to 334,529.40, 501,113.70 and 207,780.60 is: 311,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,529.40 : 501,113.70 = 207,780.60 : x
  2. Step 2: Convert to fraction form
    334,529.40/501,113.70 = 207,780.60/x
  3. Step 3: Cross multiply
    334,529.40x = 501,113.70 × 207,780.60
  4. Step 4: Simplify right side
    334,529.40x = 104,121,705,254.22
  5. Step 5: Solve for x
    x = 104,121,705,254.22/334,529.40
  6. Step 6: Final answer
    x = 311,248.29

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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.