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Finding the Fourth Proportional to 610,425.20, 916,512.60 and 461,709.20

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Solution

The fourth proportional to 610,425.20, 916,512.60 and 461,709.20 is: 693,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,425.20 : 916,512.60 = 461,709.20 : x
  2. Step 2: Convert to fraction form
    610,425.20/916,512.60 = 461,709.20/x
  3. Step 3: Cross multiply
    610,425.20x = 916,512.60 × 461,709.20
  4. Step 4: Simplify right side
    610,425.20x = 423,162,299,335.92
  5. Step 5: Solve for x
    x = 423,162,299,335.92/610,425.20
  6. Step 6: Final answer
    x = 693,225.48

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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.