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Finding the Fourth Proportional to 606,913.60, 909,981.60 and 252,068.80

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Solution

The fourth proportional to 606,913.60, 909,981.60 and 252,068.80 is: 377,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,913.60 : 909,981.60 = 252,068.80 : x
  2. Step 2: Convert to fraction form
    606,913.60/909,981.60 = 252,068.80/x
  3. Step 3: Cross multiply
    606,913.60x = 909,981.60 × 252,068.80
  4. Step 4: Simplify right side
    606,913.60x = 229,377,969,934.08
  5. Step 5: Solve for x
    x = 229,377,969,934.08/606,913.60
  6. Step 6: Final answer
    x = 377,941.72

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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.