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Finding the Fourth Proportional to 652,131.80, 913,606.60 and 652,131.80

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Solution

The fourth proportional to 652,131.80, 913,606.60 and 652,131.80 is: 913,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,131.80 : 913,606.60 = 652,131.80 : x
  2. Step 2: Convert to fraction form
    652,131.80/913,606.60 = 652,131.80/x
  3. Step 3: Cross multiply
    652,131.80x = 913,606.60 × 652,131.80
  4. Step 4: Simplify right side
    652,131.80x = 595,791,916,549.88
  5. Step 5: Solve for x
    x = 595,791,916,549.88/652,131.80
  6. Step 6: Final answer
    x = 913,606.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.