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Finding the Fourth Proportional to 648,231.60, 970,273.80 and 598,465.20

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Solution

The fourth proportional to 648,231.60, 970,273.80 and 598,465.20 is: 895,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,231.60 : 970,273.80 = 598,465.20 : x
  2. Step 2: Convert to fraction form
    648,231.60/970,273.80 = 598,465.20/x
  3. Step 3: Cross multiply
    648,231.60x = 970,273.80 × 598,465.20
  4. Step 4: Simplify right side
    648,231.60x = 580,675,103,771.76
  5. Step 5: Solve for x
    x = 580,675,103,771.76/648,231.60
  6. Step 6: Final answer
    x = 895,783.40

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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.