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Finding the Fourth Proportional to 297,606.71, 446,030.44 and 139,486.79

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Solution

The fourth proportional to 297,606.71, 446,030.44 and 139,486.79 is: 209,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,606.71 : 446,030.44 = 139,486.79 : x
  2. Step 2: Convert to fraction form
    297,606.71/446,030.44 = 139,486.79/x
  3. Step 3: Cross multiply
    297,606.71x = 446,030.44 × 139,486.79
  4. Step 4: Simplify right side
    297,606.71x = 62,215,354,317.89
  5. Step 5: Solve for x
    x = 62,215,354,317.89/297,606.71
  6. Step 6: Final answer
    x = 209,052.26

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1.5x scale

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.