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Finding the Fourth Proportional to 652,312.59, 900,198.90 and 361,929.60

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Solution

The fourth proportional to 652,312.59, 900,198.90 and 361,929.60 is: 499,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,312.59 : 900,198.90 = 361,929.60 : x
  2. Step 2: Convert to fraction form
    652,312.59/900,198.90 = 361,929.60/x
  3. Step 3: Cross multiply
    652,312.59x = 900,198.90 × 361,929.60
  4. Step 4: Simplify right side
    652,312.59x = 325,808,627,797.44
  5. Step 5: Solve for x
    x = 325,808,627,797.44/652,312.59
  6. Step 6: Final answer
    x = 499,467.02

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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.