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Finding the Fourth Proportional to 614,770.41, 848,381.52 and 342,838.62

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Solution

The fourth proportional to 614,770.41, 848,381.52 and 342,838.62 is: 473,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,770.41 : 848,381.52 = 342,838.62 : x
  2. Step 2: Convert to fraction form
    614,770.41/848,381.52 = 342,838.62/x
  3. Step 3: Cross multiply
    614,770.41x = 848,381.52 × 342,838.62
  4. Step 4: Simplify right side
    614,770.41x = 290,857,950,835.95
  5. Step 5: Solve for x
    x = 290,857,950,835.95/614,770.41
  6. Step 6: Final answer
    x = 473,116.38

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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.