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Finding the Fourth Proportional to 404,798.64, 606,385.80 and 371,729.04

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Solution

The fourth proportional to 404,798.64, 606,385.80 and 371,729.04 is: 556,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,798.64 : 606,385.80 = 371,729.04 : x
  2. Step 2: Convert to fraction form
    404,798.64/606,385.80 = 371,729.04/x
  3. Step 3: Cross multiply
    404,798.64x = 606,385.80 × 371,729.04
  4. Step 4: Simplify right side
    404,798.64x = 225,411,211,303.63
  5. Step 5: Solve for x
    x = 225,411,211,303.63/404,798.64
  6. Step 6: Final answer
    x = 556,847.75

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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.