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Finding the Fourth Proportional to 316,891.63, 475,017.59 and 198,646.01

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Solution

The fourth proportional to 316,891.63, 475,017.59 and 198,646.01 is: 297,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,891.63 : 475,017.59 = 198,646.01 : x
  2. Step 2: Convert to fraction form
    316,891.63/475,017.59 = 198,646.01/x
  3. Step 3: Cross multiply
    316,891.63x = 475,017.59 × 198,646.01
  4. Step 4: Simplify right side
    316,891.63x = 94,360,348,933.32
  5. Step 5: Solve for x
    x = 94,360,348,933.32/316,891.63
  6. Step 6: Final answer
    x = 297,768.51

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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.