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Finding the Fourth Proportional to 544,566.60, 816,461.10 and 307,981.80

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Solution

The fourth proportional to 544,566.60, 816,461.10 and 307,981.80 is: 461,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,566.60 : 816,461.10 = 307,981.80 : x
  2. Step 2: Convert to fraction form
    544,566.60/816,461.10 = 307,981.80/x
  3. Step 3: Cross multiply
    544,566.60x = 816,461.10 × 307,981.80
  4. Step 4: Simplify right side
    544,566.60x = 251,455,159,207.98
  5. Step 5: Solve for x
    x = 251,455,159,207.98/544,566.60
  6. Step 6: Final answer
    x = 461,752.81

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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.