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Finding the Fourth Proportional to 359,313.66, 495,761.58 and 263,654.28

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Solution

The fourth proportional to 359,313.66, 495,761.58 and 263,654.28 is: 363,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,313.66 : 495,761.58 = 263,654.28 : x
  2. Step 2: Convert to fraction form
    359,313.66/495,761.58 = 263,654.28/x
  3. Step 3: Cross multiply
    359,313.66x = 495,761.58 × 263,654.28
  4. Step 4: Simplify right side
    359,313.66x = 130,709,662,426.56
  5. Step 5: Solve for x
    x = 130,709,662,426.56/359,313.66
  6. Step 6: Final answer
    x = 363,775.93

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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.