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Finding the Fourth Proportional to 277,440, 382,826.13 and 168,487.68

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Solution

The fourth proportional to 277,440, 382,826.13 and 168,487.68 is: 232,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,440 : 382,826.13 = 168,487.68 : x
  2. Step 2: Convert to fraction form
    277,440/382,826.13 = 168,487.68/x
  3. Step 3: Cross multiply
    277,440x = 382,826.13 × 168,487.68
  4. Step 4: Simplify right side
    277,440x = 64,501,486,487.08
  5. Step 5: Solve for x
    x = 64,501,486,487.08/277,440
  6. Step 6: Final answer
    x = 232,488.06

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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.