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Finding the Fourth Proportional to 446,703.32, 616,456.59 and 242,758.28

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Solution

The fourth proportional to 446,703.32, 616,456.59 and 242,758.28 is: 335,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,703.32 : 616,456.59 = 242,758.28 : x
  2. Step 2: Convert to fraction form
    446,703.32/616,456.59 = 242,758.28/x
  3. Step 3: Cross multiply
    446,703.32x = 616,456.59 × 242,758.28
  4. Step 4: Simplify right side
    446,703.32x = 149,649,940,269.27
  5. Step 5: Solve for x
    x = 149,649,940,269.27/446,703.32
  6. Step 6: Final answer
    x = 335,009.69

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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.