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Finding the Fourth Proportional to 475,317.49, 712,975.93 and 191,008.10

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Solution

The fourth proportional to 475,317.49, 712,975.93 and 191,008.10 is: 286,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,317.49 : 712,975.93 = 191,008.10 : x
  2. Step 2: Convert to fraction form
    475,317.49/712,975.93 = 191,008.10/x
  3. Step 3: Cross multiply
    475,317.49x = 712,975.93 × 191,008.10
  4. Step 4: Simplify right side
    475,317.49x = 136,184,177,735.03
  5. Step 5: Solve for x
    x = 136,184,177,735.03/475,317.49
  6. Step 6: Final answer
    x = 286,512.03

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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.