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Finding the Fourth Proportional to 220,259.82, 330,411.54 and 70,462.50

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Solution

The fourth proportional to 220,259.82, 330,411.54 and 70,462.50 is: 105,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,259.82 : 330,411.54 = 70,462.50 : x
  2. Step 2: Convert to fraction form
    220,259.82/330,411.54 = 70,462.50/x
  3. Step 3: Cross multiply
    220,259.82x = 330,411.54 × 70,462.50
  4. Step 4: Simplify right side
    220,259.82x = 23,281,623,137.25
  5. Step 5: Solve for x
    x = 23,281,623,137.25/220,259.82
  6. Step 6: Final answer
    x = 105,700.73

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1.5x scale

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.