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Finding the Fourth Proportional to 442,029.20, 663,043.80 and 301,024.40

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Solution

The fourth proportional to 442,029.20, 663,043.80 and 301,024.40 is: 451,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,029.20 : 663,043.80 = 301,024.40 : x
  2. Step 2: Convert to fraction form
    442,029.20/663,043.80 = 301,024.40/x
  3. Step 3: Cross multiply
    442,029.20x = 663,043.80 × 301,024.40
  4. Step 4: Simplify right side
    442,029.20x = 199,592,362,068.72
  5. Step 5: Solve for x
    x = 199,592,362,068.72/442,029.20
  6. Step 6: Final answer
    x = 451,536.60

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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.