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Finding the Fourth Proportional to 424,291.80, 585,537.72 and 233,319.72

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Solution

The fourth proportional to 424,291.80, 585,537.72 and 233,319.72 is: 321,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,291.80 : 585,537.72 = 233,319.72 : x
  2. Step 2: Convert to fraction form
    424,291.80/585,537.72 = 233,319.72/x
  3. Step 3: Cross multiply
    424,291.80x = 585,537.72 × 233,319.72
  4. Step 4: Simplify right side
    424,291.80x = 136,617,496,879.84
  5. Step 5: Solve for x
    x = 136,617,496,879.84/424,291.80
  6. Step 6: Final answer
    x = 321,989.48

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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.