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Finding the Fourth Proportional to 346,309.16, 477,870.23 and 201,086.56

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Solution

The fourth proportional to 346,309.16, 477,870.23 and 201,086.56 is: 277,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,309.16 : 477,870.23 = 201,086.56 : x
  2. Step 2: Convert to fraction form
    346,309.16/477,870.23 = 201,086.56/x
  3. Step 3: Cross multiply
    346,309.16x = 477,870.23 × 201,086.56
  4. Step 4: Simplify right side
    346,309.16x = 96,093,280,677.11
  5. Step 5: Solve for x
    x = 96,093,280,677.11/346,309.16
  6. Step 6: Final answer
    x = 277,478.31

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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.