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Finding the Fourth Proportional to 453,820.50, 681,041.79 and 158,332.50

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Solution

The fourth proportional to 453,820.50, 681,041.79 and 158,332.50 is: 237,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,820.50 : 681,041.79 = 158,332.50 : x
  2. Step 2: Convert to fraction form
    453,820.50/681,041.79 = 158,332.50/x
  3. Step 3: Cross multiply
    453,820.50x = 681,041.79 × 158,332.50
  4. Step 4: Simplify right side
    453,820.50x = 107,831,049,215.18
  5. Step 5: Solve for x
    x = 107,831,049,215.18/453,820.50
  6. Step 6: Final answer
    x = 237,607.27

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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.