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Finding the Fourth Proportional to 453,672.63, 680,088.28 and 200,818.30

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Solution

The fourth proportional to 453,672.63, 680,088.28 and 200,818.30 is: 301,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,672.63 : 680,088.28 = 200,818.30 : x
  2. Step 2: Convert to fraction form
    453,672.63/680,088.28 = 200,818.30/x
  3. Step 3: Cross multiply
    453,672.63x = 680,088.28 × 200,818.30
  4. Step 4: Simplify right side
    453,672.63x = 136,574,172,239.52
  5. Step 5: Solve for x
    x = 136,574,172,239.52/453,672.63
  6. Step 6: Final answer
    x = 301,041.24

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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.