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Finding the Fourth Proportional to 1,135,228.53, 1,566,995 and 676,487

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Solution

The fourth proportional to 1,135,228.53, 1,566,995 and 676,487 is: 933,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,228.53 : 1,566,995 = 676,487 : x
  2. Step 2: Convert to fraction form
    1,135,228.53/1,566,995 = 676,487/x
  3. Step 3: Cross multiply
    1,135,228.53x = 1,566,995 × 676,487
  4. Step 4: Simplify right side
    1,135,228.53x = 1,060,051,746,565
  5. Step 5: Solve for x
    x = 1,060,051,746,565/1,135,228.53
  6. Step 6: Final answer
    x = 933,778.28

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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.