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Finding the Fourth Proportional to 424,656.61, 633,582.82 and 338,867.89

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Solution

The fourth proportional to 424,656.61, 633,582.82 and 338,867.89 is: 505,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,656.61 : 633,582.82 = 338,867.89 : x
  2. Step 2: Convert to fraction form
    424,656.61/633,582.82 = 338,867.89/x
  3. Step 3: Cross multiply
    424,656.61x = 633,582.82 × 338,867.89
  4. Step 4: Simplify right side
    424,656.61x = 214,700,873,353.65
  5. Step 5: Solve for x
    x = 214,700,873,353.65/424,656.61
  6. Step 6: Final answer
    x = 505,587.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.