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Finding the Fourth Proportional to 584,656.92, 806,810.22 and 330,031.80

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Solution

The fourth proportional to 584,656.92, 806,810.22 and 330,031.80 is: 455,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,656.92 : 806,810.22 = 330,031.80 : x
  2. Step 2: Convert to fraction form
    584,656.92/806,810.22 = 330,031.80/x
  3. Step 3: Cross multiply
    584,656.92x = 806,810.22 × 330,031.80
  4. Step 4: Simplify right side
    584,656.92x = 266,273,029,165.00
  5. Step 5: Solve for x
    x = 266,273,029,165.00/584,656.92
  6. Step 6: Final answer
    x = 455,434.67

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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.