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Finding the Fourth Proportional to 346,041.40, 477,446.76 and 202,724.40

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Solution

The fourth proportional to 346,041.40, 477,446.76 and 202,724.40 is: 279,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,041.40 : 477,446.76 = 202,724.40 : x
  2. Step 2: Convert to fraction form
    346,041.40/477,446.76 = 202,724.40/x
  3. Step 3: Cross multiply
    346,041.40x = 477,446.76 × 202,724.40
  4. Step 4: Simplify right side
    346,041.40x = 96,790,107,952.94
  5. Step 5: Solve for x
    x = 96,790,107,952.94/346,041.40
  6. Step 6: Final answer
    x = 279,706.73

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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.