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Finding the Fourth Proportional to 733,845.40, 1,026,139.40 and 733,845.40

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Solution

The fourth proportional to 733,845.40, 1,026,139.40 and 733,845.40 is: 1,026,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,845.40 : 1,026,139.40 = 733,845.40 : x
  2. Step 2: Convert to fraction form
    733,845.40/1,026,139.40 = 733,845.40/x
  3. Step 3: Cross multiply
    733,845.40x = 1,026,139.40 × 733,845.40
  4. Step 4: Simplify right side
    733,845.40x = 753,027,678,448.76
  5. Step 5: Solve for x
    x = 753,027,678,448.76/733,845.40
  6. Step 6: Final answer
    x = 1,026,139.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.