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Finding the Fourth Proportional to 346,203.50, 477,762.27 and 187,227.50

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Solution

The fourth proportional to 346,203.50, 477,762.27 and 187,227.50 is: 258,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,203.50 : 477,762.27 = 187,227.50 : x
  2. Step 2: Convert to fraction form
    346,203.50/477,762.27 = 187,227.50/x
  3. Step 3: Cross multiply
    346,203.50x = 477,762.27 × 187,227.50
  4. Step 4: Simplify right side
    346,203.50x = 89,450,235,406.43
  5. Step 5: Solve for x
    x = 89,450,235,406.43/346,203.50
  6. Step 6: Final answer
    x = 258,374.73

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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.