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Finding the Fourth Proportional to 346,355.52, 477,794.52 and 210,353.28

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Solution

The fourth proportional to 346,355.52, 477,794.52 and 210,353.28 is: 290,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,355.52 : 477,794.52 = 210,353.28 : x
  2. Step 2: Convert to fraction form
    346,355.52/477,794.52 = 210,353.28/x
  3. Step 3: Cross multiply
    346,355.52x = 477,794.52 × 210,353.28
  4. Step 4: Simplify right side
    346,355.52x = 100,505,644,448.03
  5. Step 5: Solve for x
    x = 100,505,644,448.03/346,355.52
  6. Step 6: Final answer
    x = 290,180.58

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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.