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Finding the Fourth Proportional to 315,353.22, 473,101.14 and 104,999.46

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Solution

The fourth proportional to 315,353.22, 473,101.14 and 104,999.46 is: 157,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,353.22 : 473,101.14 = 104,999.46 : x
  2. Step 2: Convert to fraction form
    315,353.22/473,101.14 = 104,999.46/x
  3. Step 3: Cross multiply
    315,353.22x = 473,101.14 × 104,999.46
  4. Step 4: Simplify right side
    315,353.22x = 49,675,364,225.38
  5. Step 5: Solve for x
    x = 49,675,364,225.38/315,353.22
  6. Step 6: Final answer
    x = 157,522.93

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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.