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Finding the Fourth Proportional to 453,349.20, 680,002.20 and 153,800.40

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Solution

The fourth proportional to 453,349.20, 680,002.20 and 153,800.40 is: 230,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,349.20 : 680,002.20 = 153,800.40 : x
  2. Step 2: Convert to fraction form
    453,349.20/680,002.20 = 153,800.40/x
  3. Step 3: Cross multiply
    453,349.20x = 680,002.20 × 153,800.40
  4. Step 4: Simplify right side
    453,349.20x = 104,584,610,360.88
  5. Step 5: Solve for x
    x = 104,584,610,360.88/453,349.20
  6. Step 6: Final answer
    x = 230,693.27

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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.