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Finding the Fourth Proportional to 435,713.80, 652,533.90 and 435,713.80

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Solution

The fourth proportional to 435,713.80, 652,533.90 and 435,713.80 is: 652,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,713.80 : 652,533.90 = 435,713.80 : x
  2. Step 2: Convert to fraction form
    435,713.80/652,533.90 = 435,713.80/x
  3. Step 3: Cross multiply
    435,713.80x = 652,533.90 × 435,713.80
  4. Step 4: Simplify right side
    435,713.80x = 284,318,025,197.82
  5. Step 5: Solve for x
    x = 284,318,025,197.82/435,713.80
  6. Step 6: Final answer
    x = 652,533.90

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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.