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Finding the Fourth Proportional to 450,854.36, 622,236.59 and 259,869.11

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Solution

The fourth proportional to 450,854.36, 622,236.59 and 259,869.11 is: 358,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,854.36 : 622,236.59 = 259,869.11 : x
  2. Step 2: Convert to fraction form
    450,854.36/622,236.59 = 259,869.11/x
  3. Step 3: Cross multiply
    450,854.36x = 622,236.59 × 259,869.11
  4. Step 4: Simplify right side
    450,854.36x = 161,700,064,442.21
  5. Step 5: Solve for x
    x = 161,700,064,442.21/450,854.36
  6. Step 6: Final answer
    x = 358,652.55

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1.5x scale

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.