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Finding the Fourth Proportional to 424,411.36, 585,684.62 and 233,420.65

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Solution

The fourth proportional to 424,411.36, 585,684.62 and 233,420.65 is: 322,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,411.36 : 585,684.62 = 233,420.65 : x
  2. Step 2: Convert to fraction form
    424,411.36/585,684.62 = 233,420.65/x
  3. Step 3: Cross multiply
    424,411.36x = 585,684.62 × 233,420.65
  4. Step 4: Simplify right side
    424,411.36x = 136,710,883,528.30
  5. Step 5: Solve for x
    x = 136,710,883,528.30/424,411.36
  6. Step 6: Final answer
    x = 322,118.81

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1.5x scale

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.