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Finding the Fourth Proportional to 652,698.61, 900,739.60 and 366,239.88

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Solution

The fourth proportional to 652,698.61, 900,739.60 and 366,239.88 is: 505,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,698.61 : 900,739.60 = 366,239.88 : x
  2. Step 2: Convert to fraction form
    652,698.61/900,739.60 = 366,239.88/x
  3. Step 3: Cross multiply
    652,698.61x = 900,739.60 × 366,239.88
  4. Step 4: Simplify right side
    652,698.61x = 329,886,762,099.65
  5. Step 5: Solve for x
    x = 329,886,762,099.65/652,698.61
  6. Step 6: Final answer
    x = 505,419.74

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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.