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Finding the Fourth Proportional to 896,907.78, 1,345,726.17 and 364,470.48

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Solution

The fourth proportional to 896,907.78, 1,345,726.17 and 364,470.48 is: 546,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,907.78 : 1,345,726.17 = 364,470.48 : x
  2. Step 2: Convert to fraction form
    896,907.78/1,345,726.17 = 364,470.48/x
  3. Step 3: Cross multiply
    896,907.78x = 1,345,726.17 × 364,470.48
  4. Step 4: Simplify right side
    896,907.78x = 490,477,463,128.46
  5. Step 5: Solve for x
    x = 490,477,463,128.46/896,907.78
  6. Step 6: Final answer
    x = 546,853.84

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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.