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Finding the Fourth Proportional to 674,106.48, 930,261.24 and 372,294

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Solution

The fourth proportional to 674,106.48, 930,261.24 and 372,294 is: 513,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,106.48 : 930,261.24 = 372,294 : x
  2. Step 2: Convert to fraction form
    674,106.48/930,261.24 = 372,294/x
  3. Step 3: Cross multiply
    674,106.48x = 930,261.24 × 372,294
  4. Step 4: Simplify right side
    674,106.48x = 346,330,678,084.56
  5. Step 5: Solve for x
    x = 346,330,678,084.56/674,106.48
  6. Step 6: Final answer
    x = 513,762.57

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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.