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Finding the Fourth Proportional to 495,055, 683,119.08 and 277,233.28

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Solution

The fourth proportional to 495,055, 683,119.08 and 277,233.28 is: 382,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,055 : 683,119.08 = 277,233.28 : x
  2. Step 2: Convert to fraction form
    495,055/683,119.08 = 277,233.28/x
  3. Step 3: Cross multiply
    495,055x = 683,119.08 × 277,233.28
  4. Step 4: Simplify right side
    495,055x = 189,383,343,178.98
  5. Step 5: Solve for x
    x = 189,383,343,178.98/495,055
  6. Step 6: Final answer
    x = 382,550.11

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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.