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Finding the Fourth Proportional to 307,071.90, 460,607.85 and 174,211.65

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Solution

The fourth proportional to 307,071.90, 460,607.85 and 174,211.65 is: 261,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,071.90 : 460,607.85 = 174,211.65 : x
  2. Step 2: Convert to fraction form
    307,071.90/460,607.85 = 174,211.65/x
  3. Step 3: Cross multiply
    307,071.90x = 460,607.85 × 174,211.65
  4. Step 4: Simplify right side
    307,071.90x = 80,243,253,551.45
  5. Step 5: Solve for x
    x = 80,243,253,551.45/307,071.90
  6. Step 6: Final answer
    x = 261,317.48

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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.