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Finding the Fourth Proportional to 1,172,076, 1,617,465.60 and 635,532

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Solution

The fourth proportional to 1,172,076, 1,617,465.60 and 635,532 is: 877,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,076 : 1,617,465.60 = 635,532 : x
  2. Step 2: Convert to fraction form
    1,172,076/1,617,465.60 = 635,532/x
  3. Step 3: Cross multiply
    1,172,076x = 1,617,465.60 × 635,532
  4. Step 4: Simplify right side
    1,172,076x = 1,027,951,147,699.20
  5. Step 5: Solve for x
    x = 1,027,951,147,699.20/1,172,076
  6. Step 6: Final answer
    x = 877,034.55

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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.