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Finding the Fourth Proportional to 586,868.40, 882,181.80 and 545,266.80

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Solution

The fourth proportional to 586,868.40, 882,181.80 and 545,266.80 is: 819,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,868.40 : 882,181.80 = 545,266.80 : x
  2. Step 2: Convert to fraction form
    586,868.40/882,181.80 = 545,266.80/x
  3. Step 3: Cross multiply
    586,868.40x = 882,181.80 × 545,266.80
  4. Step 4: Simplify right side
    586,868.40x = 481,024,447,104.24
  5. Step 5: Solve for x
    x = 481,024,447,104.24/586,868.40
  6. Step 6: Final answer
    x = 819,646.19

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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.