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Finding the Fourth Proportional to 410,984.58, 616,526.68 and 144,690.60

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Solution

The fourth proportional to 410,984.58, 616,526.68 and 144,690.60 is: 217,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,984.58 : 616,526.68 = 144,690.60 : x
  2. Step 2: Convert to fraction form
    410,984.58/616,526.68 = 144,690.60/x
  3. Step 3: Cross multiply
    410,984.58x = 616,526.68 × 144,690.60
  4. Step 4: Simplify right side
    410,984.58x = 89,205,615,245.21
  5. Step 5: Solve for x
    x = 89,205,615,245.21/410,984.58
  6. Step 6: Final answer
    x = 217,053.44

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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.