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Finding the Fourth Proportional to 539,186.17, 744,050.95 and 294,156.34

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Solution

The fourth proportional to 539,186.17, 744,050.95 and 294,156.34 is: 405,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,186.17 : 744,050.95 = 294,156.34 : x
  2. Step 2: Convert to fraction form
    539,186.17/744,050.95 = 294,156.34/x
  3. Step 3: Cross multiply
    539,186.17x = 744,050.95 × 294,156.34
  4. Step 4: Simplify right side
    539,186.17x = 218,867,303,625.33
  5. Step 5: Solve for x
    x = 218,867,303,625.33/539,186.17
  6. Step 6: Final answer
    x = 405,921.58

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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.