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Finding the Fourth Proportional to 504,549.79, 696,327.92 and 377,003.95

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Solution

The fourth proportional to 504,549.79, 696,327.92 and 377,003.95 is: 520,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,549.79 : 696,327.92 = 377,003.95 : x
  2. Step 2: Convert to fraction form
    504,549.79/696,327.92 = 377,003.95/x
  3. Step 3: Cross multiply
    504,549.79x = 696,327.92 × 377,003.95
  4. Step 4: Simplify right side
    504,549.79x = 262,518,376,335.28
  5. Step 5: Solve for x
    x = 262,518,376,335.28/504,549.79
  6. Step 6: Final answer
    x = 520,302.22

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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.