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Finding the Fourth Proportional to 384,288.98, 526,473.45 and 369,918.27

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Solution

The fourth proportional to 384,288.98, 526,473.45 and 369,918.27 is: 506,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,288.98 : 526,473.45 = 369,918.27 : x
  2. Step 2: Convert to fraction form
    384,288.98/526,473.45 = 369,918.27/x
  3. Step 3: Cross multiply
    384,288.98x = 526,473.45 × 369,918.27
  4. Step 4: Simplify right side
    384,288.98x = 194,752,147,824.93
  5. Step 5: Solve for x
    x = 194,752,147,824.93/384,288.98
  6. Step 6: Final answer
    x = 506,785.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.