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Finding the Fourth Proportional to 344,242.72, 475,054 and 191,280.28

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Solution

The fourth proportional to 344,242.72, 475,054 and 191,280.28 is: 263,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,242.72 : 475,054 = 191,280.28 : x
  2. Step 2: Convert to fraction form
    344,242.72/475,054 = 191,280.28/x
  3. Step 3: Cross multiply
    344,242.72x = 475,054 × 191,280.28
  4. Step 4: Simplify right side
    344,242.72x = 90,868,462,135.12
  5. Step 5: Solve for x
    x = 90,868,462,135.12/344,242.72
  6. Step 6: Final answer
    x = 263,966.26

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1.5x scale

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.