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Finding the Fourth Proportional to 569,577.79, 786,064.95 and 327,938.59

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Solution

The fourth proportional to 569,577.79, 786,064.95 and 327,938.59 is: 452,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,577.79 : 786,064.95 = 327,938.59 : x
  2. Step 2: Convert to fraction form
    569,577.79/786,064.95 = 327,938.59/x
  3. Step 3: Cross multiply
    569,577.79x = 786,064.95 × 327,938.59
  4. Step 4: Simplify right side
    569,577.79x = 257,781,031,351.42
  5. Step 5: Solve for x
    x = 257,781,031,351.42/569,577.79
  6. Step 6: Final answer
    x = 452,582.66

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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.