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Finding the Fourth Proportional to 504,652.51, 696,474.48 and 308,534.07

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Solution

The fourth proportional to 504,652.51, 696,474.48 and 308,534.07 is: 425,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,652.51 : 696,474.48 = 308,534.07 : x
  2. Step 2: Convert to fraction form
    504,652.51/696,474.48 = 308,534.07/x
  3. Step 3: Cross multiply
    504,652.51x = 696,474.48 × 308,534.07
  4. Step 4: Simplify right side
    504,652.51x = 214,886,109,734.32
  5. Step 5: Solve for x
    x = 214,886,109,734.32/504,652.51
  6. Step 6: Final answer
    x = 425,810.05

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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.