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Finding the Fourth Proportional to 355,575.60, 533,363.40 and 299,588.40

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Solution

The fourth proportional to 355,575.60, 533,363.40 and 299,588.40 is: 449,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,575.60 : 533,363.40 = 299,588.40 : x
  2. Step 2: Convert to fraction form
    355,575.60/533,363.40 = 299,588.40/x
  3. Step 3: Cross multiply
    355,575.60x = 533,363.40 × 299,588.40
  4. Step 4: Simplify right side
    355,575.60x = 159,789,487,624.56
  5. Step 5: Solve for x
    x = 159,789,487,624.56/355,575.60
  6. Step 6: Final answer
    x = 449,382.60

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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.