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Finding the Fourth Proportional to 346,392.51, 477,885.65 and 201,173.57

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Solution

The fourth proportional to 346,392.51, 477,885.65 and 201,173.57 is: 277,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,392.51 : 477,885.65 = 201,173.57 : x
  2. Step 2: Convert to fraction form
    346,392.51/477,885.65 = 201,173.57/x
  3. Step 3: Cross multiply
    346,392.51x = 477,885.65 × 201,173.57
  4. Step 4: Simplify right side
    346,392.51x = 96,137,962,262.27
  5. Step 5: Solve for x
    x = 96,137,962,262.27/346,392.51
  6. Step 6: Final answer
    x = 277,540.54

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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.