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Finding the Fourth Proportional to 384,792.04, 531,012.06 and 215,026.12

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Solution

The fourth proportional to 384,792.04, 531,012.06 and 215,026.12 is: 296,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,792.04 : 531,012.06 = 215,026.12 : x
  2. Step 2: Convert to fraction form
    384,792.04/531,012.06 = 215,026.12/x
  3. Step 3: Cross multiply
    384,792.04x = 531,012.06 × 215,026.12
  4. Step 4: Simplify right side
    384,792.04x = 114,181,462,935.01
  5. Step 5: Solve for x
    x = 114,181,462,935.01/384,792.04
  6. Step 6: Final answer
    x = 296,735.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.