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Finding the Fourth Proportional to 446,368.74, 669,597.21 and 146,727.78

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Solution

The fourth proportional to 446,368.74, 669,597.21 and 146,727.78 is: 220,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,368.74 : 669,597.21 = 146,727.78 : x
  2. Step 2: Convert to fraction form
    446,368.74/669,597.21 = 146,727.78/x
  3. Step 3: Cross multiply
    446,368.74x = 669,597.21 × 146,727.78
  4. Step 4: Simplify right side
    446,368.74x = 98,248,512,117.49
  5. Step 5: Solve for x
    x = 98,248,512,117.49/446,368.74
  6. Step 6: Final answer
    x = 220,106.17

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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.