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Finding the Fourth Proportional to 833,316.14, 1,149,978.12 and 451,343

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Solution

The fourth proportional to 833,316.14, 1,149,978.12 and 451,343 is: 622,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,316.14 : 1,149,978.12 = 451,343 : x
  2. Step 2: Convert to fraction form
    833,316.14/1,149,978.12 = 451,343/x
  3. Step 3: Cross multiply
    833,316.14x = 1,149,978.12 × 451,343
  4. Step 4: Simplify right side
    833,316.14x = 519,034,574,615.16
  5. Step 5: Solve for x
    x = 519,034,574,615.16/833,316.14
  6. Step 6: Final answer
    x = 622,854.34

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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.