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Finding the Fourth Proportional to 219,804.90, 329,707.35 and 53,592.90

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Solution

The fourth proportional to 219,804.90, 329,707.35 and 53,592.90 is: 80,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,804.90 : 329,707.35 = 53,592.90 : x
  2. Step 2: Convert to fraction form
    219,804.90/329,707.35 = 53,592.90/x
  3. Step 3: Cross multiply
    219,804.90x = 329,707.35 × 53,592.90
  4. Step 4: Simplify right side
    219,804.90x = 17,669,973,037.82
  5. Step 5: Solve for x
    x = 17,669,973,037.82/219,804.90
  6. Step 6: Final answer
    x = 80,389.35

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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.