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Finding the Fourth Proportional to 636,970.14, 955,455.26 and 163,655.51

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Solution

The fourth proportional to 636,970.14, 955,455.26 and 163,655.51 is: 245,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,970.14 : 955,455.26 = 163,655.51 : x
  2. Step 2: Convert to fraction form
    636,970.14/955,455.26 = 163,655.51/x
  3. Step 3: Cross multiply
    636,970.14x = 955,455.26 × 163,655.51
  4. Step 4: Simplify right side
    636,970.14x = 156,365,512,261.93
  5. Step 5: Solve for x
    x = 156,365,512,261.93/636,970.14
  6. Step 6: Final answer
    x = 245,483.27

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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.