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Finding the Fourth Proportional to 296,221.60, 444,370.80 and 146,538.40

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Solution

The fourth proportional to 296,221.60, 444,370.80 and 146,538.40 is: 219,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,221.60 : 444,370.80 = 146,538.40 : x
  2. Step 2: Convert to fraction form
    296,221.60/444,370.80 = 146,538.40/x
  3. Step 3: Cross multiply
    296,221.60x = 444,370.80 × 146,538.40
  4. Step 4: Simplify right side
    296,221.60x = 65,117,386,038.72
  5. Step 5: Solve for x
    x = 65,117,386,038.72/296,221.60
  6. Step 6: Final answer
    x = 219,826.60

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1.5x scale

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.