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Finding the Fourth Proportional to 617,119.65, 925,768.01 and 190,692.70

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Solution

The fourth proportional to 617,119.65, 925,768.01 and 190,692.70 is: 286,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,119.65 : 925,768.01 = 190,692.70 : x
  2. Step 2: Convert to fraction form
    617,119.65/925,768.01 = 190,692.70/x
  3. Step 3: Cross multiply
    617,119.65x = 925,768.01 × 190,692.70
  4. Step 4: Simplify right side
    617,119.65x = 176,537,199,562.84
  5. Step 5: Solve for x
    x = 176,537,199,562.84/617,119.65
  6. Step 6: Final answer
    x = 286,066.40

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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.