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Finding the Fourth Proportional to 575,921.78, 864,145.23 and 295,636.02

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Solution

The fourth proportional to 575,921.78, 864,145.23 and 295,636.02 is: 443,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,921.78 : 864,145.23 = 295,636.02 : x
  2. Step 2: Convert to fraction form
    575,921.78/864,145.23 = 295,636.02/x
  3. Step 3: Cross multiply
    575,921.78x = 864,145.23 × 295,636.02
  4. Step 4: Simplify right side
    575,921.78x = 255,472,456,499.19
  5. Step 5: Solve for x
    x = 255,472,456,499.19/575,921.78
  6. Step 6: Final answer
    x = 443,588.81

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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.