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Finding the Fourth Proportional to 585,089.40, 877,634.10 and 363,905.40

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Solution

The fourth proportional to 585,089.40, 877,634.10 and 363,905.40 is: 545,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,089.40 : 877,634.10 = 363,905.40 : x
  2. Step 2: Convert to fraction form
    585,089.40/877,634.10 = 363,905.40/x
  3. Step 3: Cross multiply
    585,089.40x = 877,634.10 × 363,905.40
  4. Step 4: Simplify right side
    585,089.40x = 319,375,788,214.14
  5. Step 5: Solve for x
    x = 319,375,788,214.14/585,089.40
  6. Step 6: Final answer
    x = 545,858.10

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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.