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Finding the Fourth Proportional to 496,017.17, 744,064.21 and 154,417.69

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Solution

The fourth proportional to 496,017.17, 744,064.21 and 154,417.69 is: 231,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,017.17 : 744,064.21 = 154,417.69 : x
  2. Step 2: Convert to fraction form
    496,017.17/744,064.21 = 154,417.69/x
  3. Step 3: Cross multiply
    496,017.17x = 744,064.21 × 154,417.69
  4. Step 4: Simplify right side
    496,017.17x = 114,896,674,659.71
  5. Step 5: Solve for x
    x = 114,896,674,659.71/496,017.17
  6. Step 6: Final answer
    x = 231,638.51

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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.