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Finding the Fourth Proportional to 875,449, 1,208,119.62 and 473,041

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Solution

The fourth proportional to 875,449, 1,208,119.62 and 473,041 is: 652,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,449 : 1,208,119.62 = 473,041 : x
  2. Step 2: Convert to fraction form
    875,449/1,208,119.62 = 473,041/x
  3. Step 3: Cross multiply
    875,449x = 1,208,119.62 × 473,041
  4. Step 4: Simplify right side
    875,449x = 571,490,113,164.42
  5. Step 5: Solve for x
    x = 571,490,113,164.42/875,449
  6. Step 6: Final answer
    x = 652,796.58

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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.