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Finding the Fourth Proportional to 677,059.09, 934,973.58 and 435,761.91

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Solution

The fourth proportional to 677,059.09, 934,973.58 and 435,761.91 is: 601,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,059.09 : 934,973.58 = 435,761.91 : x
  2. Step 2: Convert to fraction form
    677,059.09/934,973.58 = 435,761.91/x
  3. Step 3: Cross multiply
    677,059.09x = 934,973.58 × 435,761.91
  4. Step 4: Simplify right side
    677,059.09x = 407,425,874,654.45
  5. Step 5: Solve for x
    x = 407,425,874,654.45/677,059.09
  6. Step 6: Final answer
    x = 601,758.22

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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.