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Finding the Fourth Proportional to 677,059.84, 934,974.62 and 435,762.66

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Solution

The fourth proportional to 677,059.84, 934,974.62 and 435,762.66 is: 601,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,059.84 : 934,974.62 = 435,762.66 : x
  2. Step 2: Convert to fraction form
    677,059.84/934,974.62 = 435,762.66/x
  3. Step 3: Cross multiply
    677,059.84x = 934,974.62 × 435,762.66
  4. Step 4: Simplify right side
    677,059.84x = 407,427,028,533.10
  5. Step 5: Solve for x
    x = 407,427,028,533.10/677,059.84
  6. Step 6: Final answer
    x = 601,759.26

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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.