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Finding the Fourth Proportional to 423,957.93, 585,034.43 and 242,671.29

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Solution

The fourth proportional to 423,957.93, 585,034.43 and 242,671.29 is: 334,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,957.93 : 585,034.43 = 242,671.29 : x
  2. Step 2: Convert to fraction form
    423,957.93/585,034.43 = 242,671.29/x
  3. Step 3: Cross multiply
    423,957.93x = 585,034.43 × 242,671.29
  4. Step 4: Simplify right side
    423,957.93x = 141,971,058,609.16
  5. Step 5: Solve for x
    x = 141,971,058,609.16/423,957.93
  6. Step 6: Final answer
    x = 334,870.63

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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.