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Finding the Fourth Proportional to 617,957.10, 866,384.10 and 617,957.10

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Solution

The fourth proportional to 617,957.10, 866,384.10 and 617,957.10 is: 866,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,957.10 : 866,384.10 = 617,957.10 : x
  2. Step 2: Convert to fraction form
    617,957.10/866,384.10 = 617,957.10/x
  3. Step 3: Cross multiply
    617,957.10x = 866,384.10 × 617,957.10
  4. Step 4: Simplify right side
    617,957.10x = 535,388,205,922.11
  5. Step 5: Solve for x
    x = 535,388,205,922.11/617,957.10
  6. Step 6: Final answer
    x = 866,384.10

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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.