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Finding the Fourth Proportional to 670,575.84, 925,376.16 and 368,769.84

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Solution

The fourth proportional to 670,575.84, 925,376.16 and 368,769.84 is: 508,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,575.84 : 925,376.16 = 368,769.84 : x
  2. Step 2: Convert to fraction form
    670,575.84/925,376.16 = 368,769.84/x
  3. Step 3: Cross multiply
    670,575.84x = 925,376.16 × 368,769.84
  4. Step 4: Simplify right side
    670,575.84x = 341,250,818,463.01
  5. Step 5: Solve for x
    x = 341,250,818,463.01/670,575.84
  6. Step 6: Final answer
    x = 508,892.21

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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.