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Finding the Fourth Proportional to 304,003.60, 456,005.40 and 297,782.80

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Solution

The fourth proportional to 304,003.60, 456,005.40 and 297,782.80 is: 446,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,003.60 : 456,005.40 = 297,782.80 : x
  2. Step 2: Convert to fraction form
    304,003.60/456,005.40 = 297,782.80/x
  3. Step 3: Cross multiply
    304,003.60x = 456,005.40 × 297,782.80
  4. Step 4: Simplify right side
    304,003.60x = 135,790,564,827.12
  5. Step 5: Solve for x
    x = 135,790,564,827.12/304,003.60
  6. Step 6: Final answer
    x = 446,674.20

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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.