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Finding the Fourth Proportional to 354,733.60, 532,100.40 and 309,114.40

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Solution

The fourth proportional to 354,733.60, 532,100.40 and 309,114.40 is: 463,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,733.60 : 532,100.40 = 309,114.40 : x
  2. Step 2: Convert to fraction form
    354,733.60/532,100.40 = 309,114.40/x
  3. Step 3: Cross multiply
    354,733.60x = 532,100.40 × 309,114.40
  4. Step 4: Simplify right side
    354,733.60x = 164,479,895,885.76
  5. Step 5: Solve for x
    x = 164,479,895,885.76/354,733.60
  6. Step 6: Final answer
    x = 463,671.60

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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.