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Finding the Fourth Proportional to 1,014,282, 1,399,752.90 and 561,573

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Solution

The fourth proportional to 1,014,282, 1,399,752.90 and 561,573 is: 774,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,282 : 1,399,752.90 = 561,573 : x
  2. Step 2: Convert to fraction form
    1,014,282/1,399,752.90 = 561,573/x
  3. Step 3: Cross multiply
    1,014,282x = 1,399,752.90 × 561,573
  4. Step 4: Simplify right side
    1,014,282x = 786,063,435,311.70
  5. Step 5: Solve for x
    x = 786,063,435,311.70/1,014,282
  6. Step 6: Final answer
    x = 774,994.96

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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.