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Finding the Fourth Proportional to 677,150.28, 934,461.42 and 371,221.10

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Solution

The fourth proportional to 677,150.28, 934,461.42 and 371,221.10 is: 512,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,150.28 : 934,461.42 = 371,221.10 : x
  2. Step 2: Convert to fraction form
    677,150.28/934,461.42 = 371,221.10/x
  3. Step 3: Cross multiply
    677,150.28x = 934,461.42 × 371,221.10
  4. Step 4: Simplify right side
    677,150.28x = 346,891,793,679.81
  5. Step 5: Solve for x
    x = 346,891,793,679.81/677,150.28
  6. Step 6: Final answer
    x = 512,281.84

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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.