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Finding the Fourth Proportional to 449,598.04, 620,444.82 and 258,606.52

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Solution

The fourth proportional to 449,598.04, 620,444.82 and 258,606.52 is: 356,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,598.04 : 620,444.82 = 258,606.52 : x
  2. Step 2: Convert to fraction form
    449,598.04/620,444.82 = 258,606.52/x
  3. Step 3: Cross multiply
    449,598.04x = 620,444.82 × 258,606.52
  4. Step 4: Simplify right side
    449,598.04x = 160,451,075,752.23
  5. Step 5: Solve for x
    x = 160,451,075,752.23/449,598.04
  6. Step 6: Final answer
    x = 356,876.72

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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.