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Finding the Fourth Proportional to 647,368.20, 971,050.68 and 174,053.52

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Solution

The fourth proportional to 647,368.20, 971,050.68 and 174,053.52 is: 261,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,368.20 : 971,050.68 = 174,053.52 : x
  2. Step 2: Convert to fraction form
    647,368.20/971,050.68 = 174,053.52/x
  3. Step 3: Cross multiply
    647,368.20x = 971,050.68 × 174,053.52
  4. Step 4: Simplify right side
    647,368.20x = 169,014,788,952.39
  5. Step 5: Solve for x
    x = 169,014,788,952.39/647,368.20
  6. Step 6: Final answer
    x = 261,079.84

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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.