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Finding the Fourth Proportional to 277,438.51, 382,824.09 and 168,486.19

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Solution

The fourth proportional to 277,438.51, 382,824.09 and 168,486.19 is: 232,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,438.51 : 382,824.09 = 168,486.19 : x
  2. Step 2: Convert to fraction form
    277,438.51/382,824.09 = 168,486.19/x
  3. Step 3: Cross multiply
    277,438.51x = 382,824.09 × 168,486.19
  4. Step 4: Simplify right side
    277,438.51x = 64,500,572,364.32
  5. Step 5: Solve for x
    x = 64,500,572,364.32/277,438.51
  6. Step 6: Final answer
    x = 232,486.01

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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.