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Finding the Fourth Proportional to 606,403.81, 836,841.09 and 334,478.98

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Solution

The fourth proportional to 606,403.81, 836,841.09 and 334,478.98 is: 461,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,403.81 : 836,841.09 = 334,478.98 : x
  2. Step 2: Convert to fraction form
    606,403.81/836,841.09 = 334,478.98/x
  3. Step 3: Cross multiply
    606,403.81x = 836,841.09 × 334,478.98
  4. Step 4: Simplify right side
    606,403.81x = 279,905,754,205.29
  5. Step 5: Solve for x
    x = 279,905,754,205.29/606,403.81
  6. Step 6: Final answer
    x = 461,583.11

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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.