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Finding the Fourth Proportional to 362,790.56, 500,123.58 and 253,555.76

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Solution

The fourth proportional to 362,790.56, 500,123.58 and 253,555.76 is: 349,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,790.56 : 500,123.58 = 253,555.76 : x
  2. Step 2: Convert to fraction form
    362,790.56/500,123.58 = 253,555.76/x
  3. Step 3: Cross multiply
    362,790.56x = 500,123.58 × 253,555.76
  4. Step 4: Simplify right side
    362,790.56x = 126,809,214,420.82
  5. Step 5: Solve for x
    x = 126,809,214,420.82/362,790.56
  6. Step 6: Final answer
    x = 349,538.35

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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.