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Finding the Fourth Proportional to 469,118.13, 704,652.03 and 379,262.40

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Solution

The fourth proportional to 469,118.13, 704,652.03 and 379,262.40 is: 569,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,118.13 : 704,652.03 = 379,262.40 : x
  2. Step 2: Convert to fraction form
    469,118.13/704,652.03 = 379,262.40/x
  3. Step 3: Cross multiply
    469,118.13x = 704,652.03 × 379,262.40
  4. Step 4: Simplify right side
    469,118.13x = 267,248,020,062.67
  5. Step 5: Solve for x
    x = 267,248,020,062.67/469,118.13
  6. Step 6: Final answer
    x = 569,681.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.