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Finding the Fourth Proportional to 277,490.68, 382,895.96 and 168,538.36

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Solution

The fourth proportional to 277,490.68, 382,895.96 and 168,538.36 is: 232,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,490.68 : 382,895.96 = 168,538.36 : x
  2. Step 2: Convert to fraction form
    277,490.68/382,895.96 = 168,538.36/x
  3. Step 3: Cross multiply
    277,490.68x = 382,895.96 × 168,538.36
  4. Step 4: Simplify right side
    277,490.68x = 64,532,657,149.03
  5. Step 5: Solve for x
    x = 64,532,657,149.03/277,490.68
  6. Step 6: Final answer
    x = 232,557.93

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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.