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Finding the Fourth Proportional to 453,677.55, 680,516.33 and 304,378.35

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Solution

The fourth proportional to 453,677.55, 680,516.33 and 304,378.35 is: 456,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,677.55 : 680,516.33 = 304,378.35 : x
  2. Step 2: Convert to fraction form
    453,677.55/680,516.33 = 304,378.35/x
  3. Step 3: Cross multiply
    453,677.55x = 680,516.33 × 304,378.35
  4. Step 4: Simplify right side
    453,677.55x = 207,134,436,151.56
  5. Step 5: Solve for x
    x = 207,134,436,151.56/453,677.55
  6. Step 6: Final answer
    x = 456,567.53

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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.