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Finding the Fourth Proportional to 423,963.93, 585,042.69 and 242,677.29

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Solution

The fourth proportional to 423,963.93, 585,042.69 and 242,677.29 is: 334,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,963.93 : 585,042.69 = 242,677.29 : x
  2. Step 2: Convert to fraction form
    423,963.93/585,042.69 = 242,677.29/x
  3. Step 3: Cross multiply
    423,963.93x = 585,042.69 × 242,677.29
  4. Step 4: Simplify right side
    423,963.93x = 141,976,574,543.51
  5. Step 5: Solve for x
    x = 141,976,574,543.51/423,963.93
  6. Step 6: Final answer
    x = 334,878.90

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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.