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Finding the Fourth Proportional to 453,953.80, 680,930.70 and 359,950.60

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Solution

The fourth proportional to 453,953.80, 680,930.70 and 359,950.60 is: 539,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,953.80 : 680,930.70 = 359,950.60 : x
  2. Step 2: Convert to fraction form
    453,953.80/680,930.70 = 359,950.60/x
  3. Step 3: Cross multiply
    453,953.80x = 680,930.70 × 359,950.60
  4. Step 4: Simplify right side
    453,953.80x = 245,101,414,023.42
  5. Step 5: Solve for x
    x = 245,101,414,023.42/453,953.80
  6. Step 6: Final answer
    x = 539,925.90

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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.