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Finding the Fourth Proportional to 544,472.55, 751,369.50 and 302,740.74

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Solution

The fourth proportional to 544,472.55, 751,369.50 and 302,740.74 is: 417,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,472.55 : 751,369.50 = 302,740.74 : x
  2. Step 2: Convert to fraction form
    544,472.55/751,369.50 = 302,740.74/x
  3. Step 3: Cross multiply
    544,472.55x = 751,369.50 × 302,740.74
  4. Step 4: Simplify right side
    544,472.55x = 227,470,158,443.43
  5. Step 5: Solve for x
    x = 227,470,158,443.43/544,472.55
  6. Step 6: Final answer
    x = 417,780.76

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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.