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Finding the Fourth Proportional to 652,145.60, 911,137.60 and 652,145.60

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Solution

The fourth proportional to 652,145.60, 911,137.60 and 652,145.60 is: 911,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,145.60 : 911,137.60 = 652,145.60 : x
  2. Step 2: Convert to fraction form
    652,145.60/911,137.60 = 652,145.60/x
  3. Step 3: Cross multiply
    652,145.60x = 911,137.60 × 652,145.60
  4. Step 4: Simplify right side
    652,145.60x = 594,194,376,834.56
  5. Step 5: Solve for x
    x = 594,194,376,834.56/652,145.60
  6. Step 6: Final answer
    x = 911,137.60

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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.