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Finding the Fourth Proportional to 359,018.82, 495,439.47 and 195,676.74

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Solution

The fourth proportional to 359,018.82, 495,439.47 and 195,676.74 is: 270,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,018.82 : 495,439.47 = 195,676.74 : x
  2. Step 2: Convert to fraction form
    359,018.82/495,439.47 = 195,676.74/x
  3. Step 3: Cross multiply
    359,018.82x = 495,439.47 × 195,676.74
  4. Step 4: Simplify right side
    359,018.82x = 96,945,980,356.93
  5. Step 5: Solve for x
    x = 96,945,980,356.93/359,018.82
  6. Step 6: Final answer
    x = 270,030.36

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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.