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Finding the Fourth Proportional to 292,428.88, 437,645.28 and 245,097.40

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Solution

The fourth proportional to 292,428.88, 437,645.28 and 245,097.40 is: 366,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,428.88 : 437,645.28 = 245,097.40 : x
  2. Step 2: Convert to fraction form
    292,428.88/437,645.28 = 245,097.40/x
  3. Step 3: Cross multiply
    292,428.88x = 437,645.28 × 245,097.40
  4. Step 4: Simplify right side
    292,428.88x = 107,265,720,250.27
  5. Step 5: Solve for x
    x = 107,265,720,250.27/292,428.88
  6. Step 6: Final answer
    x = 366,809.60

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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.