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Finding the Fourth Proportional to 424,429.65, 585,796.13 and 243,263.00

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Solution

The fourth proportional to 424,429.65, 585,796.13 and 243,263.00 is: 335,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,429.65 : 585,796.13 = 243,263.00 : x
  2. Step 2: Convert to fraction form
    424,429.65/585,796.13 = 243,263.00/x
  3. Step 3: Cross multiply
    424,429.65x = 585,796.13 × 243,263.00
  4. Step 4: Simplify right side
    424,429.65x = 142,502,521,153.32
  5. Step 5: Solve for x
    x = 142,502,521,153.32/424,429.65
  6. Step 6: Final answer
    x = 335,750.63

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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.