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Finding the Fourth Proportional to 446,646.32, 616,370.58 and 242,697.86

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Solution

The fourth proportional to 446,646.32, 616,370.58 and 242,697.86 is: 334,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,646.32 : 616,370.58 = 242,697.86 : x
  2. Step 2: Convert to fraction form
    446,646.32/616,370.58 = 242,697.86/x
  3. Step 3: Cross multiply
    446,646.32x = 616,370.58 × 242,697.86
  4. Step 4: Simplify right side
    446,646.32x = 149,591,820,732.96
  5. Step 5: Solve for x
    x = 149,591,820,732.96/446,646.32
  6. Step 6: Final answer
    x = 334,922.32

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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.