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Finding the Fourth Proportional to 456,775.70, 630,334.37 and 252,827.01

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Solution

The fourth proportional to 456,775.70, 630,334.37 and 252,827.01 is: 348,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,775.70 : 630,334.37 = 252,827.01 : x
  2. Step 2: Convert to fraction form
    456,775.70/630,334.37 = 252,827.01/x
  3. Step 3: Cross multiply
    456,775.70x = 630,334.37 × 252,827.01
  4. Step 4: Simplify right side
    456,775.70x = 159,365,552,803.20
  5. Step 5: Solve for x
    x = 159,365,552,803.20/456,775.70
  6. Step 6: Final answer
    x = 348,892.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.