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Finding the Fourth Proportional to 653,331.76, 901,514.06 and 381,337.27

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Solution

The fourth proportional to 653,331.76, 901,514.06 and 381,337.27 is: 526,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,331.76 : 901,514.06 = 381,337.27 : x
  2. Step 2: Convert to fraction form
    653,331.76/901,514.06 = 381,337.27/x
  3. Step 3: Cross multiply
    653,331.76x = 901,514.06 × 381,337.27
  4. Step 4: Simplify right side
    653,331.76x = 343,780,907,950.11
  5. Step 5: Solve for x
    x = 343,780,907,950.11/653,331.76
  6. Step 6: Final answer
    x = 526,196.54

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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.