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Finding the Fourth Proportional to 1,772,964.60, 2,488,449 and 1,772,964.60

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Solution

The fourth proportional to 1,772,964.60, 2,488,449 and 1,772,964.60 is: 2,488,449

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,964.60 : 2,488,449 = 1,772,964.60 : x
  2. Step 2: Convert to fraction form
    1,772,964.60/2,488,449 = 1,772,964.60/x
  3. Step 3: Cross multiply
    1,772,964.60x = 2,488,449 × 1,772,964.60
  4. Step 4: Simplify right side
    1,772,964.60x = 4,411,931,985,905.40
  5. Step 5: Solve for x
    x = 4,411,931,985,905.40/1,772,964.60
  6. Step 6: Final answer
    x = 2,488,449

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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.