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Finding the Fourth Proportional to 637,654.06, 879,953.95 and 362,009.41

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Solution

The fourth proportional to 637,654.06, 879,953.95 and 362,009.41 is: 499,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,654.06 : 879,953.95 = 362,009.41 : x
  2. Step 2: Convert to fraction form
    637,654.06/879,953.95 = 362,009.41/x
  3. Step 3: Cross multiply
    637,654.06x = 879,953.95 × 362,009.41
  4. Step 4: Simplify right side
    637,654.06x = 318,551,610,266.67
  5. Step 5: Solve for x
    x = 318,551,610,266.67/637,654.06
  6. Step 6: Final answer
    x = 499,568.07

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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.