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Finding the Fourth Proportional to 626,762.44, 864,946.74 and 372,114.28

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Solution

The fourth proportional to 626,762.44, 864,946.74 and 372,114.28 is: 513,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,762.44 : 864,946.74 = 372,114.28 : x
  2. Step 2: Convert to fraction form
    626,762.44/864,946.74 = 372,114.28/x
  3. Step 3: Cross multiply
    626,762.44x = 864,946.74 × 372,114.28
  4. Step 4: Simplify right side
    626,762.44x = 321,859,033,393.45
  5. Step 5: Solve for x
    x = 321,859,033,393.45/626,762.44
  6. Step 6: Final answer
    x = 513,526.36

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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.