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Finding the Fourth Proportional to 658,445.61, 986,906.00 and 302,713.05

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Solution

The fourth proportional to 658,445.61, 986,906.00 and 302,713.05 is: 453,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,445.61 : 986,906.00 = 302,713.05 : x
  2. Step 2: Convert to fraction form
    658,445.61/986,906.00 = 302,713.05/x
  3. Step 3: Cross multiply
    658,445.61x = 986,906.00 × 302,713.05
  4. Step 4: Simplify right side
    658,445.61x = 298,749,326,080.08
  5. Step 5: Solve for x
    x = 298,749,326,080.08/658,445.61
  6. Step 6: Final answer
    x = 453,719.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.