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Finding the Fourth Proportional to 359,011.74, 495,429.77 and 195,669.71

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Solution

The fourth proportional to 359,011.74, 495,429.77 and 195,669.71 is: 270,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,011.74 : 495,429.77 = 195,669.71 : x
  2. Step 2: Convert to fraction form
    359,011.74/495,429.77 = 195,669.71/x
  3. Step 3: Cross multiply
    359,011.74x = 495,429.77 × 195,669.71
  4. Step 4: Simplify right side
    359,011.74x = 96,940,598,442.92
  5. Step 5: Solve for x
    x = 96,940,598,442.92/359,011.74
  6. Step 6: Final answer
    x = 270,020.69

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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.