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Finding the Fourth Proportional to 292,427.88, 437,643.78 and 245,096.40

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Solution

The fourth proportional to 292,427.88, 437,643.78 and 245,096.40 is: 366,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,427.88 : 437,643.78 = 245,096.40 : x
  2. Step 2: Convert to fraction form
    292,427.88/437,643.78 = 245,096.40/x
  3. Step 3: Cross multiply
    292,427.88x = 437,643.78 × 245,096.40
  4. Step 4: Simplify right side
    292,427.88x = 107,264,914,960.39
  5. Step 5: Solve for x
    x = 107,264,914,960.39/292,427.88
  6. Step 6: Final answer
    x = 366,808.10

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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.