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Finding the Fourth Proportional to 344,308.64, 475,145.16 and 191,346.32

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Solution

The fourth proportional to 344,308.64, 475,145.16 and 191,346.32 is: 264,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,308.64 : 475,145.16 = 191,346.32 : x
  2. Step 2: Convert to fraction form
    344,308.64/475,145.16 = 191,346.32/x
  3. Step 3: Cross multiply
    344,308.64x = 475,145.16 × 191,346.32
  4. Step 4: Simplify right side
    344,308.64x = 90,917,277,831.81
  5. Step 5: Solve for x
    x = 90,917,277,831.81/344,308.64
  6. Step 6: Final answer
    x = 264,057.50

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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.