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Finding the Fourth Proportional to 344,008.83, 474,730.35 and 188,963.18

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Solution

The fourth proportional to 344,008.83, 474,730.35 and 188,963.18 is: 260,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,008.83 : 474,730.35 = 188,963.18 : x
  2. Step 2: Convert to fraction form
    344,008.83/474,730.35 = 188,963.18/x
  3. Step 3: Cross multiply
    344,008.83x = 474,730.35 × 188,963.18
  4. Step 4: Simplify right side
    344,008.83x = 89,706,556,578.51
  5. Step 5: Solve for x
    x = 89,706,556,578.51/344,008.83
  6. Step 6: Final answer
    x = 260,768.18

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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.