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Finding the Fourth Proportional to 965,703.90, 1,448,296.65 and 404,622.30

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Solution

The fourth proportional to 965,703.90, 1,448,296.65 and 404,622.30 is: 606,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,703.90 : 1,448,296.65 = 404,622.30 : x
  2. Step 2: Convert to fraction form
    965,703.90/1,448,296.65 = 404,622.30/x
  3. Step 3: Cross multiply
    965,703.90x = 1,448,296.65 × 404,622.30
  4. Step 4: Simplify right side
    965,703.90x = 586,013,121,605.30
  5. Step 5: Solve for x
    x = 586,013,121,605.30/965,703.90
  6. Step 6: Final answer
    x = 606,824.85

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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.