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Finding the Fourth Proportional to 584,751.65, 877,434.89 and 415,068.39

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Solution

The fourth proportional to 584,751.65, 877,434.89 and 415,068.39 is: 622,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,751.65 : 877,434.89 = 415,068.39 : x
  2. Step 2: Convert to fraction form
    584,751.65/877,434.89 = 415,068.39/x
  3. Step 3: Cross multiply
    584,751.65x = 877,434.89 × 415,068.39
  4. Step 4: Simplify right side
    584,751.65x = 364,195,485,046.79
  5. Step 5: Solve for x
    x = 364,195,485,046.79/584,751.65
  6. Step 6: Final answer
    x = 622,820.80

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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.