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Finding the Fourth Proportional to 354,846.40, 532,528.80 and 236,478.40

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Solution

The fourth proportional to 354,846.40, 532,528.80 and 236,478.40 is: 354,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,846.40 : 532,528.80 = 236,478.40 : x
  2. Step 2: Convert to fraction form
    354,846.40/532,528.80 = 236,478.40/x
  3. Step 3: Cross multiply
    354,846.40x = 532,528.80 × 236,478.40
  4. Step 4: Simplify right side
    354,846.40x = 125,931,558,577.92
  5. Step 5: Solve for x
    x = 125,931,558,577.92/354,846.40
  6. Step 6: Final answer
    x = 354,890.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.