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Finding the Fourth Proportional to 653,728.01, 902,167.79 and 363,345.37

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Solution

The fourth proportional to 653,728.01, 902,167.79 and 363,345.37 is: 501,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,728.01 : 902,167.79 = 363,345.37 : x
  2. Step 2: Convert to fraction form
    653,728.01/902,167.79 = 363,345.37/x
  3. Step 3: Cross multiply
    653,728.01x = 902,167.79 × 363,345.37
  4. Step 4: Simplify right side
    653,728.01x = 327,798,483,695.92
  5. Step 5: Solve for x
    x = 327,798,483,695.92/653,728.01
  6. Step 6: Final answer
    x = 501,429.46

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1.5x scale

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.