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Finding the Fourth Proportional to 606,547.71, 836,885.36 and 399,793.19

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Solution

The fourth proportional to 606,547.71, 836,885.36 and 399,793.19 is: 551,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,547.71 : 836,885.36 = 399,793.19 : x
  2. Step 2: Convert to fraction form
    606,547.71/836,885.36 = 399,793.19/x
  3. Step 3: Cross multiply
    606,547.71x = 836,885.36 × 399,793.19
  4. Step 4: Simplify right side
    606,547.71x = 334,581,064,553.76
  5. Step 5: Solve for x
    x = 334,581,064,553.76/606,547.71
  6. Step 6: Final answer
    x = 551,615.41

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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.