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Finding the Fourth Proportional to 344,345.36, 475,208.78 and 191,386.60

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Solution

The fourth proportional to 344,345.36, 475,208.78 and 191,386.60 is: 264,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,345.36 : 475,208.78 = 191,386.60 : x
  2. Step 2: Convert to fraction form
    344,345.36/475,208.78 = 191,386.60/x
  3. Step 3: Cross multiply
    344,345.36x = 475,208.78 × 191,386.60
  4. Step 4: Simplify right side
    344,345.36x = 90,948,592,694.35
  5. Step 5: Solve for x
    x = 90,948,592,694.35/344,345.36
  6. Step 6: Final answer
    x = 264,120.28

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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.