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Finding the Fourth Proportional to 543,798.02, 750,420.41 and 302,095.80

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Solution

The fourth proportional to 543,798.02, 750,420.41 and 302,095.80 is: 416,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,798.02 : 750,420.41 = 302,095.80 : x
  2. Step 2: Convert to fraction form
    543,798.02/750,420.41 = 302,095.80/x
  3. Step 3: Cross multiply
    543,798.02x = 750,420.41 × 302,095.80
  4. Step 4: Simplify right side
    543,798.02x = 226,698,852,584.80
  5. Step 5: Solve for x
    x = 226,698,852,584.80/543,798.02
  6. Step 6: Final answer
    x = 416,880.62

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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.