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Finding the Fourth Proportional to 662,085.20, 993,538.20 and 346,768.40

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Solution

The fourth proportional to 662,085.20, 993,538.20 and 346,768.40 is: 520,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,085.20 : 993,538.20 = 346,768.40 : x
  2. Step 2: Convert to fraction form
    662,085.20/993,538.20 = 346,768.40/x
  3. Step 3: Cross multiply
    662,085.20x = 993,538.20 × 346,768.40
  4. Step 4: Simplify right side
    662,085.20x = 344,527,651,952.88
  5. Step 5: Solve for x
    x = 344,527,651,952.88/662,085.20
  6. Step 6: Final answer
    x = 520,367.55

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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.