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Finding the Fourth Proportional to 383,995, 575,970.92 and 117,754.77

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Solution

The fourth proportional to 383,995, 575,970.92 and 117,754.77 is: 176,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,995 : 575,970.92 = 117,754.77 : x
  2. Step 2: Convert to fraction form
    383,995/575,970.92 = 117,754.77/x
  3. Step 3: Cross multiply
    383,995x = 575,970.92 × 117,754.77
  4. Step 4: Simplify right side
    383,995x = 67,823,323,211.29
  5. Step 5: Solve for x
    x = 67,823,323,211.29/383,995
  6. Step 6: Final answer
    x = 176,625.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.