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Finding the Fourth Proportional to 768,369.58, 1,060,351.58 and 424,206.18

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Solution

The fourth proportional to 768,369.58, 1,060,351.58 and 424,206.18 is: 585,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,369.58 : 1,060,351.58 = 424,206.18 : x
  2. Step 2: Convert to fraction form
    768,369.58/1,060,351.58 = 424,206.18/x
  3. Step 3: Cross multiply
    768,369.58x = 1,060,351.58 × 424,206.18
  4. Step 4: Simplify right side
    768,369.58x = 449,807,694,269.28
  5. Step 5: Solve for x
    x = 449,807,694,269.28/768,369.58
  6. Step 6: Final answer
    x = 585,405.39

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1.5x scale

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.