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Finding the Fourth Proportional to 404,466.30, 606,613.28 and 120,079.76

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Solution

The fourth proportional to 404,466.30, 606,613.28 and 120,079.76 is: 180,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,466.30 : 606,613.28 = 120,079.76 : x
  2. Step 2: Convert to fraction form
    404,466.30/606,613.28 = 120,079.76/x
  3. Step 3: Cross multiply
    404,466.30x = 606,613.28 × 120,079.76
  4. Step 4: Simplify right side
    404,466.30x = 72,841,977,075.21
  5. Step 5: Solve for x
    x = 72,841,977,075.21/404,466.30
  6. Step 6: Final answer
    x = 180,094.06

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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.