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Finding the Fourth Proportional to 445,999.58, 615,479.73 and 242,050.44

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Solution

The fourth proportional to 445,999.58, 615,479.73 and 242,050.44 is: 334,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,999.58 : 615,479.73 = 242,050.44 : x
  2. Step 2: Convert to fraction form
    445,999.58/615,479.73 = 242,050.44/x
  3. Step 3: Cross multiply
    445,999.58x = 615,479.73 × 242,050.44
  4. Step 4: Simplify right side
    445,999.58x = 148,977,139,457.58
  5. Step 5: Solve for x
    x = 148,977,139,457.58/445,999.58
  6. Step 6: Final answer
    x = 334,029.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.