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Finding the Fourth Proportional to 453,083.60, 680,014.20 and 200,752.40

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Solution

The fourth proportional to 453,083.60, 680,014.20 and 200,752.40 is: 301,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,083.60 : 680,014.20 = 200,752.40 : x
  2. Step 2: Convert to fraction form
    453,083.60/680,014.20 = 200,752.40/x
  3. Step 3: Cross multiply
    453,083.60x = 680,014.20 × 200,752.40
  4. Step 4: Simplify right side
    453,083.60x = 136,514,482,684.08
  5. Step 5: Solve for x
    x = 136,514,482,684.08/453,083.60
  6. Step 6: Final answer
    x = 301,300.87

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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.