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Finding the Fourth Proportional to 219,328.02, 329,003.73 and 69,580.28

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Solution

The fourth proportional to 219,328.02, 329,003.73 and 69,580.28 is: 104,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,328.02 : 329,003.73 = 69,580.28 : x
  2. Step 2: Convert to fraction form
    219,328.02/329,003.73 = 69,580.28/x
  3. Step 3: Cross multiply
    219,328.02x = 329,003.73 × 69,580.28
  4. Step 4: Simplify right side
    219,328.02x = 22,892,172,476.95
  5. Step 5: Solve for x
    x = 22,892,172,476.95/219,328.02
  6. Step 6: Final answer
    x = 104,374.14

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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.