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Finding the Fourth Proportional to 633,003.74, 873,565.80 and 346,523.84

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Solution

The fourth proportional to 633,003.74, 873,565.80 and 346,523.84 is: 478,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,003.74 : 873,565.80 = 346,523.84 : x
  2. Step 2: Convert to fraction form
    633,003.74/873,565.80 = 346,523.84/x
  3. Step 3: Cross multiply
    633,003.74x = 873,565.80 × 346,523.84
  4. Step 4: Simplify right side
    633,003.74x = 302,711,375,508.67
  5. Step 5: Solve for x
    x = 302,711,375,508.67/633,003.74
  6. Step 6: Final answer
    x = 478,214.20

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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.