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Finding the Fourth Proportional to 219,032.55, 307,267.65 and 219,032.55

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Solution

The fourth proportional to 219,032.55, 307,267.65 and 219,032.55 is: 307,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,032.55 : 307,267.65 = 219,032.55 : x
  2. Step 2: Convert to fraction form
    219,032.55/307,267.65 = 219,032.55/x
  3. Step 3: Cross multiply
    219,032.55x = 307,267.65 × 219,032.55
  4. Step 4: Simplify right side
    219,032.55x = 67,301,616,912.01
  5. Step 5: Solve for x
    x = 67,301,616,912.01/219,032.55
  6. Step 6: Final answer
    x = 307,267.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.