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Finding the Fourth Proportional to 344,785.51, 475,802.55 and 191,838.34

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Solution

The fourth proportional to 344,785.51, 475,802.55 and 191,838.34 is: 264,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,785.51 : 475,802.55 = 191,838.34 : x
  2. Step 2: Convert to fraction form
    344,785.51/475,802.55 = 191,838.34/x
  3. Step 3: Cross multiply
    344,785.51x = 475,802.55 × 191,838.34
  4. Step 4: Simplify right side
    344,785.51x = 91,277,171,359.77
  5. Step 5: Solve for x
    x = 91,277,171,359.77/344,785.51
  6. Step 6: Final answer
    x = 264,736.10

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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.