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Finding the Fourth Proportional to 517,461.26, 775,330.64 and 180,316.10

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Solution

The fourth proportional to 517,461.26, 775,330.64 and 180,316.10 is: 270,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,461.26 : 775,330.64 = 180,316.10 : x
  2. Step 2: Convert to fraction form
    517,461.26/775,330.64 = 180,316.10/x
  3. Step 3: Cross multiply
    517,461.26x = 775,330.64 × 180,316.10
  4. Step 4: Simplify right side
    517,461.26x = 139,804,597,215.30
  5. Step 5: Solve for x
    x = 139,804,597,215.30/517,461.26
  6. Step 6: Final answer
    x = 270,174.04

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1.5x scale

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.