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Finding the Fourth Proportional to 614,842.69, 848,484.42 and 342,928.20

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Solution

The fourth proportional to 614,842.69, 848,484.42 and 342,928.20 is: 473,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,842.69 : 848,484.42 = 342,928.20 : x
  2. Step 2: Convert to fraction form
    614,842.69/848,484.42 = 342,928.20/x
  3. Step 3: Cross multiply
    614,842.69x = 848,484.42 × 342,928.20
  4. Step 4: Simplify right side
    614,842.69x = 290,969,234,878.64
  5. Step 5: Solve for x
    x = 290,969,234,878.64/614,842.69
  6. Step 6: Final answer
    x = 473,241.76

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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.