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Finding the Fourth Proportional to 404,316.90, 606,475.35 and 360,771.30

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Solution

The fourth proportional to 404,316.90, 606,475.35 and 360,771.30 is: 541,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,316.90 : 606,475.35 = 360,771.30 : x
  2. Step 2: Convert to fraction form
    404,316.90/606,475.35 = 360,771.30/x
  3. Step 3: Cross multiply
    404,316.90x = 606,475.35 × 360,771.30
  4. Step 4: Simplify right side
    404,316.90x = 218,798,900,437.46
  5. Step 5: Solve for x
    x = 218,798,900,437.46/404,316.90
  6. Step 6: Final answer
    x = 541,156.95

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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.