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Finding the Fourth Proportional to 456,772.19, 630,329.54 and 252,823.51

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Solution

The fourth proportional to 456,772.19, 630,329.54 and 252,823.51 is: 348,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,772.19 : 630,329.54 = 252,823.51 : x
  2. Step 2: Convert to fraction form
    456,772.19/630,329.54 = 252,823.51/x
  3. Step 3: Cross multiply
    456,772.19x = 630,329.54 × 252,823.51
  4. Step 4: Simplify right side
    456,772.19x = 159,362,123,919.54
  5. Step 5: Solve for x
    x = 159,362,123,919.54/456,772.19
  6. Step 6: Final answer
    x = 348,887.53

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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.