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Finding the Fourth Proportional to 1,169,057, 1,613,298.66 and 632,513

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Solution

The fourth proportional to 1,169,057, 1,613,298.66 and 632,513 is: 872,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,057 : 1,613,298.66 = 632,513 : x
  2. Step 2: Convert to fraction form
    1,169,057/1,613,298.66 = 632,513/x
  3. Step 3: Cross multiply
    1,169,057x = 1,613,298.66 × 632,513
  4. Step 4: Simplify right side
    1,169,057x = 1,020,432,375,332.58
  5. Step 5: Solve for x
    x = 1,020,432,375,332.58/1,169,057
  6. Step 6: Final answer
    x = 872,867.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.