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Finding the Fourth Proportional to 882,061.10, 1,217,482.26 and 576,131

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Solution

The fourth proportional to 882,061.10, 1,217,482.26 and 576,131 is: 795,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,061.10 : 1,217,482.26 = 576,131 : x
  2. Step 2: Convert to fraction form
    882,061.10/1,217,482.26 = 576,131/x
  3. Step 3: Cross multiply
    882,061.10x = 1,217,482.26 × 576,131
  4. Step 4: Simplify right side
    882,061.10x = 701,429,271,936.06
  5. Step 5: Solve for x
    x = 701,429,271,936.06/882,061.10
  6. Step 6: Final answer
    x = 795,216.20

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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.