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Finding the Fourth Proportional to 651,892.48, 899,594.57 and 361,503.30

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Solution

The fourth proportional to 651,892.48, 899,594.57 and 361,503.30 is: 498,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,892.48 : 899,594.57 = 361,503.30 : x
  2. Step 2: Convert to fraction form
    651,892.48/899,594.57 = 361,503.30/x
  3. Step 3: Cross multiply
    651,892.48x = 899,594.57 × 361,503.30
  4. Step 4: Simplify right side
    651,892.48x = 325,206,407,715.46
  5. Step 5: Solve for x
    x = 325,206,407,715.46/651,892.48
  6. Step 6: Final answer
    x = 498,865.10

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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.