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Finding the Fourth Proportional to 585,060.50, 807,383.50 and 316,788.50

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Solution

The fourth proportional to 585,060.50, 807,383.50 and 316,788.50 is: 437,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,060.50 : 807,383.50 = 316,788.50 : x
  2. Step 2: Convert to fraction form
    585,060.50/807,383.50 = 316,788.50/x
  3. Step 3: Cross multiply
    585,060.50x = 807,383.50 × 316,788.50
  4. Step 4: Simplify right side
    585,060.50x = 255,769,807,889.75
  5. Step 5: Solve for x
    x = 255,769,807,889.75/585,060.50
  6. Step 6: Final answer
    x = 437,168.14

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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.