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Finding the Fourth Proportional to 424,494.20, 585,798.72 and 233,503.40

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Solution

The fourth proportional to 424,494.20, 585,798.72 and 233,503.40 is: 322,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,494.20 : 585,798.72 = 233,503.40 : x
  2. Step 2: Convert to fraction form
    424,494.20/585,798.72 = 233,503.40/x
  3. Step 3: Cross multiply
    424,494.20x = 585,798.72 × 233,503.40
  4. Step 4: Simplify right side
    424,494.20x = 136,785,992,835.65
  5. Step 5: Solve for x
    x = 136,785,992,835.65/424,494.20
  6. Step 6: Final answer
    x = 322,232.89

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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.