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Finding the Fourth Proportional to 775,698.03, 1,163,547 and 243,261.90

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Solution

The fourth proportional to 775,698.03, 1,163,547 and 243,261.90 is: 364,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,698.03 : 1,163,547 = 243,261.90 : x
  2. Step 2: Convert to fraction form
    775,698.03/1,163,547 = 243,261.90/x
  3. Step 3: Cross multiply
    775,698.03x = 1,163,547 × 243,261.90
  4. Step 4: Simplify right side
    775,698.03x = 283,046,653,959.30
  5. Step 5: Solve for x
    x = 283,046,653,959.30/775,698.03
  6. Step 6: Final answer
    x = 364,892.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.