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Finding the Fourth Proportional to 273,953.97, 378,071.42 and 153,095.49

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Solution

The fourth proportional to 273,953.97, 378,071.42 and 153,095.49 is: 211,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,953.97 : 378,071.42 = 153,095.49 : x
  2. Step 2: Convert to fraction form
    273,953.97/378,071.42 = 153,095.49/x
  3. Step 3: Cross multiply
    273,953.97x = 378,071.42 × 153,095.49
  4. Step 4: Simplify right side
    273,953.97x = 57,881,028,534.42
  5. Step 5: Solve for x
    x = 57,881,028,534.42/273,953.97
  6. Step 6: Final answer
    x = 211,280.12

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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.