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Finding the Fourth Proportional to 585,060.62, 807,379.32 and 316,788.62

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Solution

The fourth proportional to 585,060.62, 807,379.32 and 316,788.62 is: 437,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,060.62 : 807,379.32 = 316,788.62 : x
  2. Step 2: Convert to fraction form
    585,060.62/807,379.32 = 316,788.62/x
  3. Step 3: Cross multiply
    585,060.62x = 807,379.32 × 316,788.62
  4. Step 4: Simplify right side
    585,060.62x = 255,768,580,599.34
  5. Step 5: Solve for x
    x = 255,768,580,599.34/585,060.62
  6. Step 6: Final answer
    x = 437,165.95

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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.