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Finding the Fourth Proportional to 1,070,669, 1,606,625.58 and 479,693

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Solution

The fourth proportional to 1,070,669, 1,606,625.58 and 479,693 is: 719,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,669 : 1,606,625.58 = 479,693 : x
  2. Step 2: Convert to fraction form
    1,070,669/1,606,625.58 = 479,693/x
  3. Step 3: Cross multiply
    1,070,669x = 1,606,625.58 × 479,693
  4. Step 4: Simplify right side
    1,070,669x = 770,687,044,346.94
  5. Step 5: Solve for x
    x = 770,687,044,346.94/1,070,669
  6. Step 6: Final answer
    x = 719,818.21

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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.