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Finding the Fourth Proportional to 560,600.93, 840,119.67 and 423,711.60

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Solution

The fourth proportional to 560,600.93, 840,119.67 and 423,711.60 is: 634,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,600.93 : 840,119.67 = 423,711.60 : x
  2. Step 2: Convert to fraction form
    560,600.93/840,119.67 = 423,711.60/x
  3. Step 3: Cross multiply
    560,600.93x = 840,119.67 × 423,711.60
  4. Step 4: Simplify right side
    560,600.93x = 355,968,449,567.17
  5. Step 5: Solve for x
    x = 355,968,449,567.17/560,600.93
  6. Step 6: Final answer
    x = 634,976.56

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1.5x scale

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.