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Finding the Fourth Proportional to 768,250.62, 1,151,805.24 and 368,510.76

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Solution

The fourth proportional to 768,250.62, 1,151,805.24 and 368,510.76 is: 552,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,250.62 : 1,151,805.24 = 368,510.76 : x
  2. Step 2: Convert to fraction form
    768,250.62/1,151,805.24 = 368,510.76/x
  3. Step 3: Cross multiply
    768,250.62x = 1,151,805.24 × 368,510.76
  4. Step 4: Simplify right side
    768,250.62x = 424,452,624,364.38
  5. Step 5: Solve for x
    x = 424,452,624,364.38/768,250.62
  6. Step 6: Final answer
    x = 552,492.39

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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.