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Finding the Fourth Proportional to 1,747,267.03, 2,411,223.55 and 983,320.60

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Solution

The fourth proportional to 1,747,267.03, 2,411,223.55 and 983,320.60 is: 1,356,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,267.03 : 2,411,223.55 = 983,320.60 : x
  2. Step 2: Convert to fraction form
    1,747,267.03/2,411,223.55 = 983,320.60/x
  3. Step 3: Cross multiply
    1,747,267.03x = 2,411,223.55 × 983,320.60
  4. Step 4: Simplify right side
    1,747,267.03x = 2,371,005,787,920.13
  5. Step 5: Solve for x
    x = 2,371,005,787,920.13/1,747,267.03
  6. Step 6: Final answer
    x = 1,356,979.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.