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Finding the Fourth Proportional to 448,692.94, 619,153.23 and 247,475.98

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Solution

The fourth proportional to 448,692.94, 619,153.23 and 247,475.98 is: 341,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,692.94 : 619,153.23 = 247,475.98 : x
  2. Step 2: Convert to fraction form
    448,692.94/619,153.23 = 247,475.98/x
  3. Step 3: Cross multiply
    448,692.94x = 619,153.23 × 247,475.98
  4. Step 4: Simplify right side
    448,692.94x = 153,225,552,364.42
  5. Step 5: Solve for x
    x = 153,225,552,364.42/448,692.94
  6. Step 6: Final answer
    x = 341,493.12

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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.