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Finding the Fourth Proportional to 652,280.10, 911,325.90 and 652,280.10

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Solution

The fourth proportional to 652,280.10, 911,325.90 and 652,280.10 is: 911,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,280.10 : 911,325.90 = 652,280.10 : x
  2. Step 2: Convert to fraction form
    652,280.10/911,325.90 = 652,280.10/x
  3. Step 3: Cross multiply
    652,280.10x = 911,325.90 × 652,280.10
  4. Step 4: Simplify right side
    652,280.10x = 594,439,749,184.59
  5. Step 5: Solve for x
    x = 594,439,749,184.59/652,280.10
  6. Step 6: Final answer
    x = 911,325.90

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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.