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Finding the Fourth Proportional to 617,246.34, 851,457.01 and 359,094.30

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Solution

The fourth proportional to 617,246.34, 851,457.01 and 359,094.30 is: 495,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,246.34 : 851,457.01 = 359,094.30 : x
  2. Step 2: Convert to fraction form
    617,246.34/851,457.01 = 359,094.30/x
  3. Step 3: Cross multiply
    617,246.34x = 851,457.01 × 359,094.30
  4. Step 4: Simplify right side
    617,246.34x = 305,753,358,986.04
  5. Step 5: Solve for x
    x = 305,753,358,986.04/617,246.34
  6. Step 6: Final answer
    x = 495,350.62

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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.