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Finding the Fourth Proportional to 653,813.67, 902,285.96 and 367,328.01

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Solution

The fourth proportional to 653,813.67, 902,285.96 and 367,328.01 is: 506,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,813.67 : 902,285.96 = 367,328.01 : x
  2. Step 2: Convert to fraction form
    653,813.67/902,285.96 = 367,328.01/x
  3. Step 3: Cross multiply
    653,813.67x = 902,285.96 × 367,328.01
  4. Step 4: Simplify right side
    653,813.67x = 331,434,904,301.10
  5. Step 5: Solve for x
    x = 331,434,904,301.10/653,813.67
  6. Step 6: Final answer
    x = 506,925.63

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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.