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Finding the Fourth Proportional to 416,383.84, 624,806.71 and 203,153.51

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Solution

The fourth proportional to 416,383.84, 624,806.71 and 203,153.51 is: 304,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,383.84 : 624,806.71 = 203,153.51 : x
  2. Step 2: Convert to fraction form
    416,383.84/624,806.71 = 203,153.51/x
  3. Step 3: Cross multiply
    416,383.84x = 624,806.71 × 203,153.51
  4. Step 4: Simplify right side
    416,383.84x = 126,931,674,319.02
  5. Step 5: Solve for x
    x = 126,931,674,319.02/416,383.84
  6. Step 6: Final answer
    x = 304,842.94

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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.