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Finding the Fourth Proportional to 445,624.95, 614,962.74 and 241,675.86

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Solution

The fourth proportional to 445,624.95, 614,962.74 and 241,675.86 is: 333,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,624.95 : 614,962.74 = 241,675.86 : x
  2. Step 2: Convert to fraction form
    445,624.95/614,962.74 = 241,675.86/x
  3. Step 3: Cross multiply
    445,624.95x = 614,962.74 × 241,675.86
  4. Step 4: Simplify right side
    445,624.95x = 148,621,649,057.46
  5. Step 5: Solve for x
    x = 148,621,649,057.46/445,624.95
  6. Step 6: Final answer
    x = 333,512.85

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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.