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Finding the Fourth Proportional to 635,131.80, 952,391.52 and 368,968.50

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Solution

The fourth proportional to 635,131.80, 952,391.52 and 368,968.50 is: 553,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,131.80 : 952,391.52 = 368,968.50 : x
  2. Step 2: Convert to fraction form
    635,131.80/952,391.52 = 368,968.50/x
  3. Step 3: Cross multiply
    635,131.80x = 952,391.52 × 368,968.50
  4. Step 4: Simplify right side
    635,131.80x = 351,402,470,547.12
  5. Step 5: Solve for x
    x = 351,402,470,547.12/635,131.80
  6. Step 6: Final answer
    x = 553,274.88

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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.