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Finding the Fourth Proportional to 657,697.51, 908,493.96 and 529,120.26

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Solution

The fourth proportional to 657,697.51, 908,493.96 and 529,120.26 is: 730,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,697.51 : 908,493.96 = 529,120.26 : x
  2. Step 2: Convert to fraction form
    657,697.51/908,493.96 = 529,120.26/x
  3. Step 3: Cross multiply
    657,697.51x = 908,493.96 × 529,120.26
  4. Step 4: Simplify right side
    657,697.51x = 480,702,560,323.63
  5. Step 5: Solve for x
    x = 480,702,560,323.63/657,697.51
  6. Step 6: Final answer
    x = 730,887.00

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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.