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Finding the Fourth Proportional to 555,634.44, 832,576.02 and 429,582.12

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Solution

The fourth proportional to 555,634.44, 832,576.02 and 429,582.12 is: 643,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,634.44 : 832,576.02 = 429,582.12 : x
  2. Step 2: Convert to fraction form
    555,634.44/832,576.02 = 429,582.12/x
  3. Step 3: Cross multiply
    555,634.44x = 832,576.02 × 429,582.12
  4. Step 4: Simplify right side
    555,634.44x = 357,659,771,732.76
  5. Step 5: Solve for x
    x = 357,659,771,732.76/555,634.44
  6. Step 6: Final answer
    x = 643,696.19

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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.