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Finding the Fourth Proportional to 352,988.69, 487,127.48 and 191,843.72

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Solution

The fourth proportional to 352,988.69, 487,127.48 and 191,843.72 is: 264,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,988.69 : 487,127.48 = 191,843.72 : x
  2. Step 2: Convert to fraction form
    352,988.69/487,127.48 = 191,843.72/x
  3. Step 3: Cross multiply
    352,988.69x = 487,127.48 × 191,843.72
  4. Step 4: Simplify right side
    352,988.69x = 93,452,344,482.57
  5. Step 5: Solve for x
    x = 93,452,344,482.57/352,988.69
  6. Step 6: Final answer
    x = 264,746.00

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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.