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Finding the Fourth Proportional to 454,547.50, 681,919.68 and 174,064.76

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Solution

The fourth proportional to 454,547.50, 681,919.68 and 174,064.76 is: 261,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,547.50 : 681,919.68 = 174,064.76 : x
  2. Step 2: Convert to fraction form
    454,547.50/681,919.68 = 174,064.76/x
  3. Step 3: Cross multiply
    454,547.50x = 681,919.68 × 174,064.76
  4. Step 4: Simplify right side
    454,547.50x = 118,698,185,438.48
  5. Step 5: Solve for x
    x = 118,698,185,438.48/454,547.50
  6. Step 6: Final answer
    x = 261,134.83

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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.