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Finding the Fourth Proportional to 506,014.22, 698,272.34 and 279,646.22

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Solution

The fourth proportional to 506,014.22, 698,272.34 and 279,646.22 is: 385,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,014.22 : 698,272.34 = 279,646.22 : x
  2. Step 2: Convert to fraction form
    506,014.22/698,272.34 = 279,646.22/x
  3. Step 3: Cross multiply
    506,014.22x = 698,272.34 × 279,646.22
  4. Step 4: Simplify right side
    506,014.22x = 195,269,220,411.56
  5. Step 5: Solve for x
    x = 195,269,220,411.56/506,014.22
  6. Step 6: Final answer
    x = 385,896.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.