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Finding the Fourth Proportional to 564,361.96, 778,854.50 and 373,043.56

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Solution

The fourth proportional to 564,361.96, 778,854.50 and 373,043.56 is: 514,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,361.96 : 778,854.50 = 373,043.56 : x
  2. Step 2: Convert to fraction form
    564,361.96/778,854.50 = 373,043.56/x
  3. Step 3: Cross multiply
    564,361.96x = 778,854.50 × 373,043.56
  4. Step 4: Simplify right side
    564,361.96x = 290,546,655,402.02
  5. Step 5: Solve for x
    x = 290,546,655,402.02/564,361.96
  6. Step 6: Final answer
    x = 514,823.24

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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.