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Finding the Fourth Proportional to 584,954.42, 807,253.64 and 330,343.88

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Solution

The fourth proportional to 584,954.42, 807,253.64 and 330,343.88 is: 455,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,954.42 : 807,253.64 = 330,343.88 : x
  2. Step 2: Convert to fraction form
    584,954.42/807,253.64 = 330,343.88/x
  3. Step 3: Cross multiply
    584,954.42x = 807,253.64 × 330,343.88
  4. Step 4: Simplify right side
    584,954.42x = 266,671,293,893.74
  5. Step 5: Solve for x
    x = 266,671,293,893.74/584,954.42
  6. Step 6: Final answer
    x = 455,883.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.