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Finding the Fourth Proportional to 634,579.59, 875,711.66 and 362,644.37

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Solution

The fourth proportional to 634,579.59, 875,711.66 and 362,644.37 is: 500,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,579.59 : 875,711.66 = 362,644.37 : x
  2. Step 2: Convert to fraction form
    634,579.59/875,711.66 = 362,644.37/x
  3. Step 3: Cross multiply
    634,579.59x = 875,711.66 × 362,644.37
  4. Step 4: Simplify right side
    634,579.59x = 317,571,897,957.19
  5. Step 5: Solve for x
    x = 317,571,897,957.19/634,579.59
  6. Step 6: Final answer
    x = 500,444.55

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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.