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Finding the Fourth Proportional to 974,633.76, 1,461,209.76 and 674,316

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Solution

The fourth proportional to 974,633.76, 1,461,209.76 and 674,316 is: 1,010,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,633.76 : 1,461,209.76 = 674,316 : x
  2. Step 2: Convert to fraction form
    974,633.76/1,461,209.76 = 674,316/x
  3. Step 3: Cross multiply
    974,633.76x = 1,461,209.76 × 674,316
  4. Step 4: Simplify right side
    974,633.76x = 985,317,120,524.16
  5. Step 5: Solve for x
    x = 985,317,120,524.16/974,633.76
  6. Step 6: Final answer
    x = 1,010,961.41

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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.