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Finding the Fourth Proportional to 384,290.98, 526,476.19 and 369,920.27

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Solution

The fourth proportional to 384,290.98, 526,476.19 and 369,920.27 is: 506,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,290.98 : 526,476.19 = 369,920.27 : x
  2. Step 2: Convert to fraction form
    384,290.98/526,476.19 = 369,920.27/x
  3. Step 3: Cross multiply
    384,290.98x = 526,476.19 × 369,920.27
  4. Step 4: Simplify right side
    384,290.98x = 194,754,214,353.37
  5. Step 5: Solve for x
    x = 194,754,214,353.37/384,290.98
  6. Step 6: Final answer
    x = 506,788.41

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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.